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Status: Currently sold
| Series | SA Series |
|---|---|
| Bays | 12 |
| CPU | AMD EPYC 7272 |
| Cores / Threads | 12 / 24 |
| RAM | 32 GB |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| RAM (max) | 1024 GB |
| Memory slots | 16 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | RDIMM |
| Replaceable memory | Replaceable |
| Network ports | 4x 1GbE + 2x 10GbE |
| USB ports | 2x USB 3.2 Gen 1 |
| PCIe expansion | 2 |
| Drive bay types | 3.5" SATA HDD, 2.5" SATA SSD |
| Hot-swappable bays | yes |
| Largest certified configuration observed | 288 TB (12 x Synology HAT5320-24T, largest drive on the vendor HCL today; not a hardware limit) |
| Estimated cost to fill every bay with a certified 8 TB drive | about $8,426 new (Synology HAT5320-8T) / about $4,800 used (Synology HAT5300-8T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified |
| Estimated cost to fill every bay with a certified 16 TB drive | about $13,204 new (Synology HAT5310-16T) / about $5,013 used (Synology HAT5300-16T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified |
1 eBay listings checked Aug 8, 2026 · 0 new, 1 used (too few used listings to show a reliable used price)
Documents
Compatible network and expansion cards
Check the required OS, firmware, slot, bracket, and installation notes before buying.
| Component | Specifications | Evidence | Requirements and notes |
|---|---|---|---|
| Intel Ethernet Converged Network Adapter X710-T4 | Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 4 x 10GbE | Officially certified Checked 2026-09-16 | Firmware: 5.05. DSM version requirement: 6.2-23739 or later version. (Only applicable to models with DSM.) |
| Intel Ethernet Converged Network Adapter XL710-QDA2 | Connector: QSFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 40GbE | Officially certified Checked 2026-09-16 | Firmware: 5.04. |
| Marvell FastLinQ QL41134HLCU | Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 4 x 10GbE | Officially certified Checked 2026-09-16 | Firmware: 8.34.15. DSM version requirement: 6.2-24922 or later version. (Only applicable to models with DSM.) |
| Synology E10G30-F2 | Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially 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. |
| Synology E10G30-T1 | Connector: RJ45; Host interface: PCIe 3.0 x4; Ports: 1 x 10GbE | Officially certified Checked 2026-09-16 | DSM version requirement: 7.1.1-42962 Update 5 or later version. (Only applicable to models with DSM.) |
| Synology E10G30-T2 | Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially 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. |
| Synology E10M20-T1 | Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 1 x 10GbE | Officially certified Checked 2026-09-16 | DSM version requirement: 6.2.3-25426 or later version. (Only applicable to models with DSM.) |
| Synology E10M20-T1 | Storage interface: PCIe NVMe; Supported form factor: 2280 / 22110 | Officially certified Checked 2026-09-16 | DSM version requirement: 6.2.3-25426 or later version.; DSM version requirement for RS18017xs+, RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xs and DS3617xsII: 7.0.1 or later version. |
| Synology E25G30-F2 | Connector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbE | Officially 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. |
| Synology M2D20 | Storage interface: PCIe NVMe; Supported form factor: 2280 / 22110 | Officially certified Checked 2026-09-16 | DSM version requirement: 6.2.3-25426 or later version.; DSM version requirement for RS18017xs+, RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xs and DS3617xsII: 7.0.1 or later version. |
| Synology E10G18-T1 (EOL) | Connector: RJ45; Host interface: PCIe 3.0 x4; Ports: 1 x 10GbE | Officially 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.) |
| Synology E10G18-T2 (EOL) | Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially certified Checked 2026-09-16 | DSM version requirement: 6.2.1-23824 or later version. (Only applicable to models with DSM.) |
| Synology E10G21-F2 (EOL) | Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially certified Checked 2026-09-16 | DSM version requirement: 6.2.3-25426 or later version. (Only applicable to models with DSM.) |
| Synology E25G21-F2 (EOL) | Connector: SFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 25GbE | Officially 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. |
Compatible Drives
29 drives certified on SA6400'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.
29certified models
1drive brands
24 TBlargest listed
9with verified extra specs
Certified drives by capacity
0.48 TB4
0.96 TB4
1.92 TB4
3.84 TB4
4 TB2
7 TB1
8 TB3
12 TB1
16 TB2
18 TB1
20 TB2
24 TB1
Show all 29 certified drives
29 shown
| Brand | Model | Capacity | Type | Verified drive details | Recently observed offers | Status | Firmware |
|---|---|---|---|---|---|---|---|
| Synology | HAT5320-24T | 24.0 TB | 3.5" NAS HDD | - | New: $1,418.86 | Recommended | 1401 |
| Synology | HAT5310-20T | 20.0 TB | 3.5" NAS HDD | - | New: $1,168.25 · Used: $1,484.45 | Recommended | 1401 |
| Synology | HAT5320-20T | 20.0 TB | 3.5" NAS HDD | - | New: $1,496.66 | Recommended | 1402 |
| Synology | HAT5310-18T | 18.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1401 |
| Synology | HAT5300-16T | 16.0 TB | 3.5" NAS HDD | - | New: $1,551.00 · Used: $417.72 | Recommended | 1402 |
| Synology | HAT5310-16T | 16.0 TB | 3.5" NAS HDD | - | New: $1,100.33 | Recommended | 1403 |
| Synology | HAT5300-12T | 12.0 TB | 3.5" NAS HDD | - | New: $589.99 · Used: $286.00 | Recommended | 1401 |
| Synology | HAT5310-8T | 8.0 TB | 3.5" NAS HDD | - | New: $1,087.71 · Used: $500.00 | Recommended | 1402 |
| Synology | HAT5320-8T | 8.0 TB | 3.5" NAS HDD | - | New: $702.17 | Recommended | 1401 |
| Synology | HAT5300-8T | 8.0 TB | 3.5" NAS HDD | - | New: $1,046.00 · Used: $399.99 | Recommended | 1401 |
| Synology | SAT5210-7000G | 7.0 TB | 2.5" Enterprise SSD | 5-year warranty | New: $7,671.71 | Recommended | SCEMH5.0 |
| Synology | HAT5300-4T | 4.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1403 |
| Synology | HAT5320-4T | 4.0 TB | 3.5" NAS HDD | - | New: $511.08 | Recommended | 1401 |
| Synology | SAT5220-3840G | 3.84 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5200-3840G | 3.84 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5221-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | New: $1,350.00 | Recommended | SCEM16.3 |
| Synology | SAT5210-3840G | 3.84 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5210-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | New: $999.99 | Recommended | SCEMH3.2 |
| Synology | SAT5220-1920G | 1.92 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5221-1920G | 1.92 TB | 2.5" Enterprise SSD | 5-year warranty | New: $2,200.01 · Refurb: $2,325.05 | Recommended | SCEM16.3 |
| Synology | SAT5200-1920G | 1.92 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5200-960G | 0.96 TB | 2.5" Enterprise SSD | - | Used: $75.00 | Recommended | SCEMJ2.1 |
| Synology | SAT5210-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5221-960G | 0.96 TB | 2.5" Enterprise SSD | 5-year warranty | New: $1,177.29 | Recommended | F3MN902 |
| Synology | SAT5220-960G | 0.96 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5220-480G | 0.48 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5210-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | No recent verified offer | Recommended | SCEMH3.2 |
| Synology | SAT5221-480G | 0.48 TB | 2.5" Enterprise SSD | 5-year warranty | New: $794.00 | Recommended | F3MN902 |
| Synology | SAT5200-480G | 0.48 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMJ2.1 |
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 SA6400. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
3certified modules
32–64 GBcapacity range
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes |
|---|---|---|---|---|---|---|---|
| D4ER01-64G | 64 GB | DDR4 | ECC | RDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 |
| D4ER02-64G | 64 GB | DDR4 | ECC | RDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 |
| D4ER02-32G | 32 GB | DDR4 | ECC | RDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 |
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.