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FS6400 product photo

Status: Currently sold

An enterprise 2U all-flash server with two 8-core Xeon Silver chips, built for demanding, latency-sensitive work like VMs and databases. It's rated for over 240,000 4K random write IOPS, and ECC memory goes from 32 GB up to 512 GB. This is serious data-center gear.

SeriesFS Series
Bays24
CPUIntel Xeon Silver 4110
Cores / Threads8 / 16
RAM32 GB
CPU architecturex86_64
Support tierfull
Warranty (years)5
Release year2019
RAID levelsJBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID F1
RAM (max)512 GB
Memory slots16
Memory generationDDR4
Memory speed (MT/s)2400 MT/s
ECC memorySupported
Memory module typeRDIMM
Replaceable memoryReplaceable
Network ports2x 10GbE + 2x 1GbE
USB ports2x USB 3.2 Gen 1
PCIe expansion2 × Gen3 x8 slots (x8 link)
M.2 slotsNone
Max raw capacity184.32
Drive bay types2.5" SAS HDD/SSD or SATA SSD
Hot-swappable baysYes
CPU frequency (GHz)2.1
Max bays with expansion unit72
Power draw, active (W)288.49
Power draw, hibernation (W)145.8
Power supply (W)800
Noise level (dBA)53.7
Dimensions H x W x D3.5 x 19 x 28.5 in (88 x 482 x 724 mm)
Weight38.1 lb (17.26 kg)

Documents

Compatible network and expansion cards

Check the required OS, firmware, slot, bracket, and installation notes before buying.

ComponentSpecificationsEvidenceRequirements and notesBuy
Intel Ethernet Converged Network Adapter X710-DA4Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 4 x 10GbEOfficially certified
Checked 2026-09-16
Firmware: 6.01. DSM version requirement: 6.2.1-23824 or later version. (Only applicable to models with DSM.)Amazon eBay
Intel Ethernet Converged Network Adapter X710-T4Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 4 x 10GbEOfficially certified
Checked 2026-09-16
Firmware: 5.05. DSM version requirement: 6.2-23739 or later version. (Only applicable to models with DSM.)Amazon eBay
Intel Ethernet Converged Network Adapter XL710-QDA2Connector: QSFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 40GbEOfficially certified
Checked 2026-09-16
Firmware: 5.04. Search Amazon eBay
Intel Ethernet Network Adapter XXV710-DA2Connector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbEOfficially certified
Checked 2026-09-16
Firmware: 6.01. Amazon eBay
Marvell FastLinQ QL41134HLRJConnector: RJ45; Host interface: PCIe 3.0 x8; Ports: 4 x 10GbEOfficially certified
Checked 2026-09-16
Firmware: 8.34.15. DSM version requirement: 6.2-24922 or later version. (Only applicable to models with DSM.)Search Amazon eBay
Marvell FastLinQ QL41212HLCUConnector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbEOfficially certified
Checked 2026-09-16
Firmware: 8.34.16. DSM version requirement: 6.2.1-23824 or later version. (Only applicable to models with DSM.)Search Amazon
Mellanox ConnectX-3 Pro EN MCX312B-XCCTConnector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
Firmware: 2.33.5100. DSM version requirement: 5.2-5644 or later version. (Only applicable to models with DSM.)Amazon eBay
Mellanox ConnectX-4 EN MCX414A-BCATConnector: QSFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 56GbEOfficially certified
Checked 2026-09-16
Firmware: 12.23.1020. DSM version requirement: 6.2-24922 or later version. (Only applicable to models with DSM.)Amazon eBay
Mellanox ConnectX-4 Lx EN MCX4121A-ACATConnector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbEOfficially certified
Checked 2026-09-16
Firmware: 14.17.2032. DSM version requirement: 6.2-23739 or later version. (Only applicable to models with DSM.); For better performance, we strongly recommend installing the network interface card into the PCIe 3.0 x8 (white) slot first. (Only applicable to RS3617xs, RS3614xs+, RS3614xs, and RS3614RPxs)Amazon eBay
Mellanox ConnectX-4 Lx EN MCX4131A-BCATConnector: QSFP28; Host interface: PCIe 3.0 x8; Ports: 1 x 40GbEOfficially certified
Checked 2026-09-16
Firmware: 14.21.2010. DSM version requirement: 6.2.1-23824 or later version. (Only applicable to models with DSM.)Amazon eBay
Synology E10G30-F2Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 7.1.1-42962 Update 5 or later version. (Only applicable to models with DSM.); DSM Enterprise version requirement: 1.0-101178 or later version. (Only applicable to models with DSM Enterprise.); Remote Direct Memory Access (RDMA): Available on PAS7700 only. Applies to NFS over RDMA and NVMe over RDMA.Amazon eBay
Synology E10G30-T1Connector: RJ45; Host interface: PCIe 3.0 x4; Ports: 1 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 7.1.1-42962 Update 5 or later version. (Only applicable to models with DSM.)Amazon eBay
Synology E10G30-T2Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
APM version requirement: 1.0-71430 or later version. (Only applicable to models with APM.); DSM version requirement: 7.1.1-42962 Update 5 or later version. (Only applicable to models with DSM.); DSM Enterprise version requirement: 1.0-101178 or later version. (Only applicable to models with DSM Enterprise.); Remote Direct Memory Access (RDMA): Available on PAS7700 only. Applies to NFS over RDMA and NVMe over RDMA.Amazon eBay
Synology E25G30-F2Connector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbEOfficially certified
Checked 2026-09-16
APM version requirement: 1.0-71430 or later version. (Only applicable to models with APM.); DSM version requirement: 7.1.1-42962 Update 5 or later version. (Only applicable to models with DSM.); DSM Enterprise version requirement: 1.0-101178 or later version. (Only applicable to models with DSM Enterprise.); Remote Direct Memory Access (RDMA): Available on PAS7700 only. Applies to NFS over RDMA and NVMe over RDMA.; For models with an AMD Ryzen V1000 CPU, DSM version 7.2.1-69057 or above is required.Amazon eBay
Synology E10G17-F2 (EOL)Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 6.0.2-8451 or later version. (Only applicable to models with DSM.)Amazon eBay
Synology E10G18-T1 (EOL)Connector: RJ45; Host interface: PCIe 3.0 x4; Ports: 1 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 6.2-23739-2 onward (or 6.1-15284-2 onward with DSM 6.1). (Only applicable to models with DSM.)Amazon eBay
Synology E10G18-T2 (EOL)Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 6.2.1-23824 or later version. (Only applicable to models with DSM.)Amazon eBay
Synology E10G21-F2 (EOL)Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 6.2.3-25426 or later version. (Only applicable to models with DSM.)Amazon eBay
Synology E25G21-F2 (EOL)Connector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbEOfficially certified
Checked 2026-09-16
DSM version requirement: 6.2.3-25426 or later version. (Only applicable to models with DSM.); For best performance, we recommend using memory in dual-channel configuration. For instructions, refer to Hardware Installation Guide.Amazon

Compatible Drives

196 drives certified on FS6400's official manufacturer compatibility list, sourced directly from Synology's own published Hardware Compatibility List. Each model links to that drive's own compatibility page.

196certified models
8drive brands
7.68 TBlargest listed
166with verified extra specs
Show all 196 certified drives
196 shown
BrandModelCapacityTypeVerified drive detailsRecently observed offersStatusFirmware
SeagateXS7680SE70004 details7.68 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 13600 TBWNo recent verified offerRecommended0002
SeagateXS7680SE70045 details7.68 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 14000 TBWNo recent verified offerRecommended0001
SamsungMZ7LH7T6HMLA details7.68 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 10932 TBWNew: $2,599.00 · Used: $1,099.99RecommendedHXT7404Q
Western DigitalHUSTR7676ASS200 details7.68 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SamsungMZ-ILG7T60 details7.68 TB2.5" Enterprise SSD-No recent verified offerRecommendedGXG4
Western DigitalHUSTR7676ASS204 details7.68 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
MicronMTFDDAK7T6TDS-1AW1ZABYY details7.68 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 9110 TBWNo recent verified offerRecommendedD3MU801
MicronMTFDDAK7T6QDE details7.68 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 6144 TBWNew: $2,106.00 · Used: $1,055.00RecommendedD2MU800
SeagateXS7680SE70084 details7.68 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 14000 TBWNew: $1,999.00 · Used: $1,535.00Recommended0003
MicronMTFDDAK7T6TDC-1AT16ABYY details7.68 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 8400 TBWNo recent verified offer-D1MU804
SynologySAT5210-7000G details7.0 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 10000 TBWNew: $7,439.58RecommendedSCEMH5.0
SeagateXS6400LE70004 details6.4 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 35000 TBWNew: $2,199.00Recommended0002
Western DigitalHUSTR7638ASS200 details3.86 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSTR7638ASS204 details3.86 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
MicronMTFDDAK3T8QDE details3.84 TB2.5" SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedD2MU000
SynologySAT5220-3840G details3.84 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 7000 TBWNo recent verified offerRecommendedSCEMH5.0
SamsungMZ-ILG3T80 details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 7008 TBWNew: $5,098.00RecommendedGXG1
SeagateXS3840SE70045 details3.84 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 7000 TBWNo recent verified offerRecommended0001
SeagateXS3840SE70004 details3.84 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 6800 TBWNo recent verified offerRecommended0002
KingstonSEDC500R/3840G details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 3504 TBWNo recent verified offerRecommendedSCEKJ2.3
SamsungMZILT3T8HALS details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 7008 TBWUsed: $465.00RecommendedGXF2
SynologySAT5200-3840G details3.84 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 9162 TBWNo recent verified offerRecommendedSCEMJ2.1
IntelSSDSC2KB038T8 details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 13100 TBWRefurb: $529.99 · Used: $715.00RecommendedXCV10110
SynologySAT5210-3840G details3.84 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 8533 TBWNo recent verified offerRecommendedSCEMH3.1
SeagateZA3840NM10011 details3.84 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
SamsungMZ7LH3T8HMLT details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 5466 TBWNew: $495.00 · Used: $469.99RecommendedHXT7404Q
SynologySAT5221-3840G details3.84 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 7000 TBWNew: $3,803.00RecommendedSCEM16.3
SeagateZA3840NM10001 details3.84 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
MicronMTFDDAK3T8TCB-1AR1ZABYY details3.84 TB2.5" Enterprise SSD3000000 h MTBF · 17600 TBWNo recent verified offerRecommended, EOL-
SamsungMZ-7LH3T8NE details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 5466 TBWNo recent verified offerRecommendedHXT7004Q
IntelSSDSC2KG038T8 details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 22000 TBWNew: $2,275.00 · Used: $460.00RecommendedXCV10110
KingstonSEDC500M/3840G details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNew: $2,355.08 · Refurb: $956.13RecommendedSCEKJ2.3
SeagateXA3840LE10063 details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF441121
SeagateXA3840ME10063 details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 21000 TBWNo recent verified offerRecommendedSF441121
SamsungMZ-76E3T8 details3.84 TB2.5" Enterprise SSD1500000 h MTBF · 3-year warranty · 1396 TBWNew: $495.00 · Used: $429.99-HXT70B6Q
MicronMTFDDAK3T8TDC-1AT16ABYY details3.84 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 7700 TBWNo recent verified offer--
MicronMTFDDAK3T8TDT-1AW1ZABYY details3.84 TB2.5" SSD3000000 h MTBF · 5-year warranty · 24528 TBWNo recent verified offer-D3MU401
SamsungMZ-7LM3T8N details3.84 TB2.5" Enterprise SSD2000000 h MTBF · 1-year warranty · 2016 TBWNew: $829.00 · Refurb: $479.99-GXT5104Q
Western DigitalHUSMR3232ASS200 details3.2 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXS3200ME70004 details3.2 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 35000 TBWNo recent verified offerRecommended0003
Western DigitalHUSMM3232ASS200 details3.2 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalWUSTR6432ASS201 details3.2 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warrantyNo recent verified offerRecommendedB925
SeagateXS3200LE70084 details3.2 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 17500 TBWNew: $1,679.00Recommended0001
Western DigitalHUSMR3232ASS204 details3.2 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXS3200LE70004 details3.2 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 17500 TBWNo recent verified offerRecommended0002
Western DigitalHUSMM3232ASS204 details3.2 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
ToshibaAL15SEB24EQ details2.4 TB2.5" Enterprise HDD128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $511.88 · Used: $332.00Recommended0102
SeagateST2400MM0129 details2.4 TB2.5" Enterprise HDD10000 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $469.00 · Used: $534.08-C004
IntelSSDSC2KB019T8 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 7100 TBWNew: $699.00 · Used: $259.00RecommendedXCV10110
SamsungMZILT1T9HBJR-00007 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNew: $1,643.00 · Used: $464.00RecommendedGXA0
SynologySAT5210-1920G details1.92 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 4800 TBWNo recent verified offerRecommendedSCEMH3.2
KingstonSEDC500R/1920G details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1752 TBWUsed: $169.99RecommendedSCEKJ2.3
SamsungMZ7LH1T9HMLT details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 2733 TBWUsed: $165.00RecommendedHXT7404Q
Western DigitalHUSTR7619ASS204 details1.92 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXA1920ME10063 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 10500 TBWNo recent verified offerRecommendedSF441121
SynologySAT5220-1920G details1.92 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 3500 TBWNew: $799.99RecommendedSCEMH5.0
SeagateXS1920SE70004 details1.92 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 3400 TBWNew: $799.00Recommended0002
SeagateZA1920NM10011 details1.92 TB2.5" NAS SSD2000000 h MTBF · 5-year warranty · 3500 TBWNo recent verified offerRecommendedSF44011J
SamsungMZ-7KM1T9NE details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyUsed: $392.49Recommended, EOLGXM5104Q
SeagateXA1920LE10063 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 3500 TBWNo recent verified offerRecommendedSF441121
MicronMTFDDAK1T9QDE details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 2800 TBWUsed: $200.99RecommendedD2MU000
SamsungMZILT1T9HAJQ details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyUsed: $350.00RecommendedGXF2
SynologySAT5221-1920G details1.92 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 3500 TBWNew: $2,200.01 · Refurb: $2,255.63RecommendedSCEM16.3
SynologySAT5200-1920G details1.92 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 4581 TBWNo recent verified offerRecommendedSCEMJ2.1
SamsungMZ-ILG1T90 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNew: $2,350.00 · Used: $839.00RecommendedGXG1
SeagateZA1920NM10001 details1.92 TB2.5" NAS SSD2000000 h MTBF · 5-year warranty · 3500 TBWNo recent verified offerRecommendedSF44011J
MicronMTFDDAK1T9TDD-1AT16ABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 5950 TBWNo recent verified offerRecommended-
KingstonSEDC500M/1920G details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1752 TBWNo recent verified offerRecommendedSCEKJ2.3
MicronMTFDDAK1T9TDN-1AT16ABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 17520 TBWNo recent verified offerRecommended-
SeagateXS1920SE70045 details1.92 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 3500 TBWNo recent verified offerRecommended0001
Western DigitalHUSTR7619ASS200 details1.92 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
MicronMTFDDAK1T9TCB-1AR1ZABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 8800 TBWNo recent verified offerRecommended, EOL-
IntelSSDSC2KG019T8 details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 9400 TBWNew: $1,295.00 · Used: $299.00RecommendedXCV10110
SamsungMZ-7LH1T9NE details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 2733 TBWNo recent verified offerRecommended-
MicronMTFDDAK1T9TDC-1AT16ABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 3500 TBWNo recent verified offer--
SamsungMZ-76E1T9E details1.92 TB2.5" Enterprise SSD1500000 h MTBF · 3-year warranty · 698 TBWNo recent verified offer--
MicronMTFDDAK1T9TDS-1AW1ZABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 5256 TBWUsed: $409.00-D3MU001
SamsungMZ-7LM1T9N details1.92 TB2.5" Enterprise SSD2000000 h MTBF · 3-year warranty · 2733 TBWNew: $428.99 · Refurb: $179.99--
MicronMTFDDAK1T9TDT-1AW1ZABYY details1.92 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 17520 TBWUsed: $990.92-D3MU001
ToshibaAL14SEB18EQ details1.8 TB2.5" Enterprise HDD10500 RPM · 128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $120.00 · Refurb: $165.00Recommended, EOL0102
ToshibaAL15SEB18EQ details1.8 TB2.5" Enterprise HDD128 MB cache · CMR · 2000000 h MTBF · 5-year warrantyNew: $134.80 · Used: $197.98Recommended0102
Western DigitalHUC101818CS4200 details1.8 TB2.5" Enterprise HDD10000 RPM · 128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOLA904
Western DigitalHUC101818CS4204 details1.8 TB2.5" Enterprise HDD10000 RPM · 128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOLC380
SeagateST1800MM0129 details1.8 TB2.5" Enterprise HDD10000 RPM · 256 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $133.00 · Refurb: $70.00-C004
SeagateXS1600LE70004 details1.6 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 8700 TBWNo recent verified offerRecommended0003
SeagateXS1600ME70004 details1.6 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warrantyNo recent verified offerRecommended0003
Western DigitalHUSMM3216ASS200 details1.6 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMM3216ASS204 details1.6 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXS1600LE70084 details1.6 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 8700 TBWNo recent verified offerRecommended0001
Western DigitalHUSMR3216ASS200 details1.6 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMR3216ASS204 details1.6 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
ToshibaAL14SEB12EQ details1.2 TB2.5" Enterprise HDD10500 RPM · 128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $105.00Recommended, EOL0102
ToshibaAL15SEB12EQ details1.2 TB2.5" Enterprise HDD128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $149.90 · Refurb: $32.99Recommended0102
Western DigitalHUC101812CS4200 details1.2 TB2.5" Enterprise HDD10000 RPM · 128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
SeagateST1200MM0129 details1.2 TB2.5" Enterprise HDD10000 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $113.00 · Refurb: $89.09-C003
ToshibaKPM51RUG960G details0.96 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warrantyUsed: $119.99Recommended0107
SynologySAT5200-960G details0.96 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 2290 TBWNo recent verified offerRecommendedSCEMJ2.1
Western DigitalHUSTR7696ASS204 details0.96 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSTR7696ASS200 details0.96 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SamsungMZ-7LH960NE details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1366 TBWNo recent verified offerRecommendedHXT7004Q
SynologySAT5210-960G details0.96 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 2194 TBWNo recent verified offerRecommendedSCEMH3.2
SamsungMZILT960HBHQ-00007 details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedGXA0
SamsungMZ-ILG9600 details0.96 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 1752 TBWNew: $1,957.27 · Used: $1,890.97RecommendedGXG1
SynologySAT5221-960G details0.96 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 1700 TBWNew: $1,177.29RecommendedF3MN902
SeagateXA960LE10063 details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1750 TBWUsed: $119.00RecommendedSF441121
SamsungMZ7LH960HAJR details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 341 TBWNew: $359.00 · Used: $199.00RecommendedHXT7404Q
MicronMTFDDAK960TDD-1AT16ABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 2270 TBWNo recent verified offerRecommended-
SeagateXS960SE70045 details0.96 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 1700 TBWNo recent verified offerRecommended0001
SeagateXS960SE70004 details0.96 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 1700 TBWNew: $642.92 · Used: $299.99Recommended0003
IntelSSDSC2KB960G8 details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 3400 TBWNew: $449.00 · Used: $164.93RecommendedXCV10100
SeagateZA960NM10001 details0.96 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
SeagateZA960NM10011 details0.96 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
IntelSSDSC2KG960G8 details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 6000 TBWNew: $399.00 · Used: $189.00RecommendedXCV10100
MicronMTFDDAK960TDN-1AT16ABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 8760 TBWNo recent verified offerRecommended-
SynologySAT5220-960G details0.96 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 1700 TBWNo recent verified offerRecommendedSCEMH5.0
MicronMTFDDAK960TCB-1AR1ZABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 4400 TBWNo recent verified offerRecommended, EOL-
KingstonSEDC500R/960G details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 876 TBWNo recent verified offerRecommendedSCEKJ2.3
SamsungMZILT960HAHQ details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1752 TBWNo recent verified offerRecommendedGXF2
SamsungMZ-7KM960N details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 5256 TBWNew: $309.00 · Used: $169.99Recommended, EOL-
SeagateXA960ME10063 details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyUsed: $369.99RecommendedSF441121
KingstonSEDC500M/960G details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 2278 TBWUsed: $249.99RecommendedSCEKJ2.3
MicronMTFDDAK960TDS-1AW1ZABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 2628 TBWNew: $579.00 · Refurb: $384.00-D3MU001
MicronMTFDDAK960TDC-1AT16ABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 1750 TBWNo recent verified offer--
SamsungMZ-76E960E details0.96 TB2.5" Enterprise SSD1500000 h MTBF · 3-year warranty · 349 TBWNo recent verified offer-HXT70B6Q
MicronMTFDDAK960TDT-1AW1ZABYY details0.96 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 8760 TBWNew: $1,511.88 · Used: $335.00-D3MU001
SamsungMZ-7LM960N details0.96 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1366 TBWNew: $299.00 · Used: $109.99--
ToshibaAL14SXB90EE details0.9 TB2.5" Enterprise HDDCMR · 5-year warrantyNo recent verified offerRecommended0101
ToshibaAL14SEB09EQ details0.9 TB2.5" Enterprise HDD10500 RPM · 128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $69.00 · Refurb: $33.99Recommended, EOL0102
Western DigitalHUC101890CS4200 details0.9 TB2.5" Enterprise HDD10000 RPM · 128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
SeagateXS800LE70084 details0.8 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 4400 TBWNo recent verified offerRecommended0001
SeagateXS800LE70004 details0.8 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 4300 TBWNew: $350.00 · Used: $280.00Recommended0003
Western DigitalHUSMR3280ASS204 details0.8 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMR3280ASS200 details0.8 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXS800ME70004 details0.8 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warrantyNo recent verified offerRecommended0002
Western DigitalHUSMM3280ASS204 details0.8 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMM3280ASS200 details0.8 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
ToshibaAL14SEB06EQ details0.6 TB2.5" Enterprise HDD10500 RPM · 128 MB cache · CMR · Unlimited TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $95.82 · Refurb: $34.99Recommended, EOL0102
ToshibaAL13SXB60EE details0.6 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · 5-year warrantyNo recent verified offerRecommended, EOL0102
ToshibaAL14SXB60EE details0.6 TB2.5" Enterprise HDDCMR · 5-year warrantyNo recent verified offerRecommended0101
ToshibaAL15SEB06EQ details0.6 TB2.5" Enterprise HDD128 MB cache · CMR · 2000000 h MTBF · 5-year warrantyNew: $76.88Recommended0102
SeagateST600MP0005 details0.6 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $41.80 · Refurb: $49.99EOLN004
SeagateST600MP0035 details0.6 TB2.5" Enterprise HDD128 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyUsed: $89.11EOLE003
SeagateST600MX0052 details0.6 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $128.13EOLE004
Western DigitalHUC101860CS4200 details0.6 TB2.5" Enterprise HDD10000 RPM · 128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
SeagateST600MM0099 details0.6 TB2.5" Enterprise HDD10000 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyUsed: $78.00-C003
IntelSSDSC2KI512G8 details0.512 TB2.5" Enterprise SSD-No recent verified offerEOL-
SynologySAT5210-480G details0.48 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 1097 TBWNo recent verified offerRecommendedSCEMH3.1
KingstonSEDC500M/480G details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 438 TBWNew: $250.00 · Used: $105.00RecommendedSCEKJ2.3
Western DigitalHUSTR7648ASS200 details0.48 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOLA500
IntelSSDSC2KB480G8 details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1200 TBWUsed: $101.24RecommendedXCV10100
SynologySAT5220-480G details0.48 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 900 TBWNo recent verified offerRecommendedSCEMH5.0
SeagateZA480NM10011 details0.48 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
SeagateXA480LE10063 details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 875 TBWNo recent verified offerRecommendedSF441121
SeagateZA480NM10001 details0.48 TB2.5" NAS SSD2000000 h MTBF · 5-year warranty · 875 TBWRefurb: $182.75RecommendedSF44011J
MicronMTFDDAK480TDN-1AT16ABYY details0.48 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 4380 TBWNew: $494.00Recommended-
IntelSSDSC2KG480G8 details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 3000 TBWNew: $399.00 · Used: $140.60RecommendedXCV10100
SamsungMZ-7LH480NE details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 683 TBWNo recent verified offerRecommended-
SynologySAT5221-480G details0.48 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 900 TBWNo recent verified offerRecommendedF3MN902
SynologySAT5200-480G details0.48 TB2.5" Enterprise SSD1500000 h MTBF · 5-year warranty · 1145 TBWNo recent verified offerRecommendedSCEMJ2.1
Western DigitalHUSTR7648ASS204 details0.48 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
MicronMTFDDAK480TCB-1AR1ZABYY details0.48 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 1300 TBWNo recent verified offerRecommended, EOL-
SeagateXA480ME10063 details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF441121
SamsungMZ-7KM480N details0.48 TB2.5" Enterprise SSD1500000 h MTBF · 3-year warranty · 683 TBWNew: $190.00 · Used: $79.00Recommended, EOL-
KingstonSEDC500R/480G details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 438 TBWNew: $187.49RecommendedSCEKJ2.3
SamsungMZ7LH480HAHQ details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 683 TBWNew: $217.00 · Used: $140.00RecommendedHXT7404Q
MicronMTFDDAK480TDT-1AW1ZABYY details0.48 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 4380 TBWNew: $895.00 · Used: $319.99-D3MU001
MicronMTFDDAK480TDS-1AW1ZABYY details0.48 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 1324 TBWNew: $355.17-D3MU001
MicronMTFDDAK480TDC-1AT16ABYY details0.48 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 870 TBWNew: $200.00--
SamsungMZ-7LM480N details0.48 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 560 TBWUsed: $211.08--
ToshibaAL13SXB45EE details0.45 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · 5-year warrantyNo recent verified offerRecommended, EOL0102
Western DigitalHUC101845CS4200 details0.45 TB2.5" Enterprise HDD128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
Western DigitalHUC101845CS4204 details0.45 TB2.5" Enterprise HDD128 MB cache · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
SeagateST450MP0005 details0.45 TB2.5" Enterprise HDDCMR · 2000000 h MTBF · 5-year warrantyNo recent verified offerEOL-
Western DigitalHUSMM3240ASS200 details0.4 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMR3240ASS204 details0.4 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
Western DigitalHUSMM3240ASS204 details0.4 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
SeagateXS400ME70004 details0.4 TB2.5" Enterprise SSD2500000 h MTBF · 5-year warranty · 4300 TBWRefurb: $89.99Recommended0003
Western DigitalHUSMR3240ASS200 details0.4 TB2.5" Enterprise SSD-No recent verified offerRecommended, EOL-
ToshibaAL13SXB30EE details0.3 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · 5-year warrantyNo recent verified offerRecommended, EOL0102
ToshibaAL14SXB30EE details0.3 TB2.5" Enterprise HDDCMR · 5-year warrantyNo recent verified offerRecommended0101
SeagateST300MP0035 details0.3 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · 5-year warrantyNo recent verified offerEOLE003
SeagateST300MP0005 details0.3 TB2.5" Enterprise HDD15000 RPM · 128 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warrantyNew: $49.20 · Used: $17.99EOL-
IntelSSDSC2KI256G8 details0.256 TB2.5" Enterprise SSD-No recent verified offerEOL-
SeagateZA240NM10001 details0.24 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
MicronMTFDDAK240TCB-1AR1ZABYY details0.24 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 650 TBWNew: $644.52 · Used: $161.75Recommended, EOLD0MU027
SeagateXA240ME10003 details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1300 TBWNo recent verified offerRecommendedSF441121
SamsungMZ-7KM240N details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1314 TBWNew: $149.99 · Used: $75.00Recommended, EOL-
IntelSSDSC2KB240G8 details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 900 TBWNew: $179.99 · Used: $70.00RecommendedXCV10100
IntelSSDSC2KG240G8 details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 1400 TBWNew: $227.81 · Refurb: $179.99RecommendedXCV10110
SeagateXA240LE10003 details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warrantyNew: $119.73 · Used: $109.99RecommendedSF441121
SeagateZA240NM10011 details0.24 TB2.5" NAS SSD2000000 h MTBF · 5-year warrantyNo recent verified offerRecommendedSF44011J
SamsungMZ7LH240HAHQ details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 341 TBWNo recent verified offerRecommendedHXT7404Q
MicronMTFDDAK240TDT-1AW1ZABYY details0.24 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 2190 TBWNew: $192.00RecommendedD3MU001
SamsungMZ-7LM240N details0.24 TB2.5" Enterprise SSD2000000 h MTBF · 5-year warranty · 341 TBWNo recent verified offer--
MicronMTFDDAK240TDS-1AW1ZABYY details0.24 TB2.5" Enterprise SSD3000000 h MTBF · 5-year warranty · 657 TBWNew: $92.80 · Used: $115.00-D3MU001
IntelSSDSC2KI128G8 details0.128 TB2.5" Enterprise SSD-No recent verified offerEOLLHF001D

Extra drive details are published only from manufacturer-owned documents or explicit human review. Follow the model link for field-level sources.

Certified list last checked 2026-08-18.

Compatible Memory

3 memory modules listed by Synology as compatible with FS6400. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.

3certified modules
16–32 GBcapacity range
SKUCapacityDDR generationECCForm factorRated speedWarrantySource and notesBuy
D4RD-2666-32G32 GBDDR4ECCRDIMM2666 MT/s5-yearManufacturer source
Checked 2026-09-16
Amazon eBay
D4ER01-16G16 GBDDR4ECCRDIMM-5-yearManufacturer source
Checked 2026-09-16
Amazon eBay
D4RD-2666-16G16 GBDDR4ECCRDIMM2666 MT/s5-yearManufacturer source
Checked 2026-09-16
Amazon eBay

Certified list last checked 2026-09-16. Coverage varies by model. Rated module speed is not a guarantee of NAS operating speed; follow the NAS maximum capacity and installation rules.

Looking for cameras compatible with Synology NAS units? See the full Synology camera compatibility database.