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Status: Currently sold
A 1U all-flash rackmount NAS from late 2021 with 12 bays for 2.5-inch SATA SSDs, built for low-latency business work like VMs and databases. The AMD Ryzen V1780B and 8 GB of ECC memory, expandable to 32 GB, keep up with fast flash. It's SSD-only, so it's about speed, not cheap bulk storage.
| Series | FS Series |
|---|---|
| Bays | 12 |
| CPU | AMD Ryzen V1780B |
| Cores / Threads | 4 / 8 |
| RAM | 8 GB |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| Release year | 2021 |
| RAID levels | Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID F1 |
| PCIe slot types | 1x PCIe Gen 3 x8 |
| RAM (max) | 32 GB |
| Memory slots | 2 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | UDIMM |
| Replaceable memory | Replaceable |
| Network ports | 2x 10GbE + 2x 1GbE |
| USB ports | 2x USB 3.2 Gen 1 |
| PCIe expansion | 1 × Gen3 x8 slot (x4 link) |
| M.2 slots | None |
| Drive bay types | 2.5" SATA SSD |
| Hot-swappable bays | Yes |
| CPU frequency (GHz) | 3.35 |
| Power draw, active (W) | 74.83 |
| Power draw, hibernation (W) | 45.68 |
| Power supply (W) | 350 |
| Noise level (dBA) | 57.6 |
| Dimensions H x W x D | 1.7 x 19 x 21.9 in (44 x 481.9 x 555.9 mm) |
| Weight | 18.3 lb (8.3 kg) |
| Largest certified configuration observed | 84 TB (12 x Synology SAT5210-7000G, largest drive on the vendor HCL today; not a hardware limit) |
8 eBay listings checked Nov 8, 2026 · 3 new, 5 used
Documents
Compatible network and expansion cards
Check the required OS, firmware, slot, bracket, and installation notes before buying.
| Component | Specifications | Evidence | Requirements and notes | Buy |
|---|---|---|---|---|
| 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.) | Amazon eBay |
| Mellanox ConnectX-3 Pro EN MCX314A-BCCT | Connector: QSFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 40GbE | Officially certified Checked 2026-09-16 | Firmware: 2.35.5100. DSM version requirement: 6.0.2-8451 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 EN MCX414A-BCAT | Connector: QSFP28; Host interface: PCIe 3.0 x8; Ports: 2 x 56GbE | Officially 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 MCX4131A-BCAT | Connector: QSFP28; Host interface: PCIe 3.0 x8; Ports: 1 x 40GbE | Officially 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-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. | Amazon eBay |
| 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.) | Amazon eBay |
| 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. | Amazon eBay |
| 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. | Amazon eBay |
| 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.) | Amazon eBay |
| 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.) | Amazon eBay |
| 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.) | Amazon eBay |
| 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. | Amazon |
Compatible Drives
30 drives certified on FS2500'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.
30certified models
3drive brands
7 TBlargest listed
30with verified extra specs
Certified drives by capacity
0.24 TB1
0.48 TB7
0.96 TB7
1.92 TB7
3.84 TB7
7 TB1
Show all 30 certified drives
30 shown
| Brand | Model | Capacity | Type | Verified drive details | Recently observed offers | Status | Firmware |
|---|---|---|---|---|---|---|---|
| Synology | SAT5210-7000G details | 7.0 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 10000 TBW | New: $7,496.33 | Recommended | SCEMH5.0 |
| Synology | SAT5220-3840G details | 3.84 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 7000 TBW | No recent verified offer | Recommended | SCEMH5.0 |
| Synology | SAT5200-3840G details | 3.84 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 9162 TBW | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5210-3840G details | 3.84 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 8533 TBW | No recent verified offer | Recommended | SCEMH3.1 |
| Samsung | MZ7LH3T8HMLT details | 3.84 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 5466 TBW | New: $495.00 · Used: $449.99 | Recommended | HXT7404Q |
| Synology | SAT5221-3840G details | 3.84 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 7000 TBW | New: $2,642.47 | Recommended | SCEM16.3 |
| Samsung | MZ7KH3T8HALS details | 3.84 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 1314 TBW | No recent verified offer | Recommended | HXM7404Q |
| Intel | SSDSC2KB038TZ details | 3.84 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 15667.2 TBW | Used: $890.22 | Recommended | 7CV10100 |
| Synology | SAT5210-1920G details | 1.92 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 4800 TBW | No recent verified offer | Recommended | SCEMH3.2 |
| Samsung | MZ7LH1T9HMLT details | 1.92 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 2733 TBW | Used: $165.00 | Recommended | HXT7404Q |
| Synology | SAT5220-1920G details | 1.92 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 3500 TBW | New: $799.99 | Recommended | SCEMH5.0 |
| Samsung | MZ7KH1T9HAJR details | 1.92 TB | 2.5" Enterprise SSD | 2048 MB cache · 2000000 h MTBF · 5-year warranty · 1314 TBW | New: $1,301.40 · Used: $354.99 | Recommended | HXM7404Q |
| Synology | SAT5221-1920G details | 1.92 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 3500 TBW | New: $2,200.01 · Refurb: $2,272.83 | Recommended | SCEM16.3 |
| Synology | SAT5200-1920G details | 1.92 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 4581 TBW | No recent verified offer | Recommended | SCEMJ2.1 |
| Intel | SSDSC2KB019TZ details | 1.92 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 8800 TBW | New: $880.00 · Used: $499.00 | Recommended | 7CV10100 |
| Synology | SAT5200-960G details | 0.96 TB | 2.5" Enterprise SSD | 2048 MB cache · 1500000 h MTBF · 5-year warranty · 2290 TBW | No recent verified offer | Recommended | SCEMJ2.1 |
| Synology | SAT5210-960G details | 0.96 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 2194 TBW | New: $489.00 | Recommended | SCEMH3.2 |
| Synology | SAT5221-960G details | 0.96 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 1700 TBW | New: $1,177.29 | Recommended | F3MN902 |
| Samsung | MZ7KH960HAJR details | 0.96 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 1314 TBW | No recent verified offer | Recommended | HXM7404Q |
| Samsung | MZ7LH960HAJR details | 0.96 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 341 TBW | New: $424.99 · Used: $209.00 | Recommended | HXT7404Q |
| Synology | SAT5220-960G details | 0.96 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 1700 TBW | No recent verified offer | Recommended | SCEMH5.0 |
| Intel | SSDSC2KB960GZ details | 0.96 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 5300 TBW | Used: $289.00 | Recommended | 7CV10100 |
| Synology | SAT5210-480G details | 0.48 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 1097 TBW | No recent verified offer | Recommended | SCEMH3.1 |
| Synology | SAT5220-480G details | 0.48 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 900 TBW | No recent verified offer | Recommended | SCEMH5.0 |
| Samsung | MZ7KH480HAHQ details | 0.48 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 1314 TBW | No recent verified offer | Recommended | HXM7404Q |
| Synology | SAT5221-480G details | 0.48 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 900 TBW | No recent verified offer | Recommended | F3MN902 |
| Synology | SAT5200-480G details | 0.48 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 1145 TBW | No recent verified offer | Recommended | SCEMJ2.1 |
| Samsung | MZ7LH480HAHQ details | 0.48 TB | 2.5" Enterprise SSD | 512 MB cache · 2000000 h MTBF · 5-year warranty · 683 TBW | New: $217.00 · Used: $64.99 | Recommended | HXT7404Q |
| Intel | SSDSC2KB480GZ details | 0.48 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty | No recent verified offer | Recommended | 7CV10100 |
| Samsung | MZ7KH240HAHQ details | 0.24 TB | 2.5" Enterprise SSD | 2000000 h MTBF · 5-year warranty · 1314 TBW | Refurb: $184.14 | Recommended | HXM7404Q |
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 FS2500. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
3certified modules
8–16 GBcapacity range
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes | Buy |
|---|---|---|---|---|---|---|---|---|
| D4EU01-16G | 16 GB | DDR4 | ECC | UDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 | Amazon eBay |
| D4EU02-16G | 16 GB | DDR4 | ECC | UDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 | Amazon eBay |
| D4EU02-8G | 8 GB | DDR4 | ECC | UDIMM | - | 5-year | Manufacturer 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.