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Status: Currently sold
An enterprise 1U short-depth rackmount NAS launched in May 2026, replacing the RS1619xs+, for file collaboration, virtualization and backup. The 6-core Xeon D-1726 and 16 GB of memory, expandable to 64 GB, give it plenty of headroom. It brings much more network bandwidth than the model it replaces.
| Series | x26 Series |
|---|---|
| Bays | 4 |
| CPU | Intel Xeon D-1726 |
| Cores / Threads | 6 / 12 |
| RAM | 16 GB |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| Release year | 2026 |
| RAID levels | Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID F1 |
| RAM (max) | 64 GB |
| Memory slots | 4 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | RDIMM |
| Replaceable memory | Replaceable |
| Network ports | 2x 10GbE |
| USB ports | 2x USB 3.2 Gen 1 |
| PCIe expansion | 1 × Gen4 x8 slot (x8 link) |
| M.2 slots | 2 |
| Drive bay types | 3.5" SATA HDD or 2.5" SATA SSD; M.2 2280 NVMe SSD |
| Hot-swappable bays | Yes |
| CPU frequency (GHz) | 2.9 |
| Max bays with expansion unit | 16 |
| Power draw, active (W) | 97.59 |
| Power draw, hibernation (W) | 56.19 |
| Power supply (W) | 250 |
| Noise level (dBA) | 52.6 |
| Dimensions H x W x D | 1.7 x 19 x 26.3 in (44 x 481.9 x 668.5 mm) |
| Weight | 20.9 lb (9.5 kg) |
| Largest certified configuration observed | 96 TB (4 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 $2,809 new (Synology HAT5320-8T) / about $800 used (Synology HAT5310-8T) -- 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 $3,160 new (Synology HAT5300-16T) / about $1,596 used (Synology HAT5300-16T) -- one observed eBay unit price incl. shipping x bays; quantity availability unverified |
4 eBay listings checked Nov 8, 2026 · 1 new, 3 used (too few new listings to show a reliable new 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 | Buy |
|---|---|---|---|---|
| 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
29 drives certified on RS1626xs+'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
29with 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 details | 24.0 TB | 3.5" NAS HDD | 7200 RPM · 1024 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $1,440.78 | Recommended | 1401 |
| Synology | HAT5310-20T details | 20.0 TB | 3.5" Enterprise HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $899.95 · Used: $1,451.11 | Recommended | 1401 |
| Synology | HAT5320-20T details | 20.0 TB | 3.5" NAS HDD | 7200 RPM · 1024 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $1,407.45 | Recommended | 1402 |
| Synology | HAT5310-18T details | 18.0 TB | 3.5" Enterprise HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | No recent verified offer | Recommended | 1401 |
| Synology | HAT5300-16T details | 16.0 TB | 3.5" Enterprise HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $789.97 · Used: $399.00 | Recommended | 1403 |
| Synology | HAT5310-16T details | 16.0 TB | 3.5" Enterprise HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $1,047.99 | Recommended | 1403 |
| Synology | HAT5300-12T details | 12.0 TB | 3.5" Enterprise HDD | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $589.99 · Used: $379.99 | Recommended | 1402 |
| Synology | HAT5310-8T details | 8.0 TB | 3.5" Enterprise HDD | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $1,035.21 · Used: $199.99 | Recommended | 1402 |
| Synology | HAT5320-8T details | 8.0 TB | 3.5" NAS HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warranty | New: $702.17 | Recommended | 1401 |
| Synology | HAT5300-8T details | 8.0 TB | 3.5" Enterprise HDD | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2500000 h MTBF · 5-year warranty | New: $1,009.00 · Used: $225.00 | Recommended | 1401 |
| 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 | HAT5300-4T details | 4.0 TB | 3.5" Enterprise HDD | 7200 RPM · 256 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warranty | No recent verified offer | Recommended | 1403 |
| Synology | HAT5320-4T details | 4.0 TB | 3.5" NAS HDD | 7200 RPM · 512 MB cache · CMR · 550 TB/year workload · 2000000 h MTBF · 5-year warranty | New: $577.10 | Recommended | 1401 |
| 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 | 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 |
| Synology | SAT5210-3840G details | 3.84 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 8533 TBW | No recent verified offer | Recommended | SCEMH3.2 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Synology | SAT5210-480G details | 0.48 TB | 2.5" Enterprise SSD | 1500000 h MTBF · 5-year warranty · 1097 TBW | No recent verified offer | Recommended | SCEMH3.2 |
| 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 |
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
1 memory module listed by Synology as compatible with RS1626xs+. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
1certified modules
16–16 GBcapacity range
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes | Buy |
|---|---|---|---|---|---|---|---|---|
| D4ER02-16G | 16 GB | DDR4 | ECC | RDIMM | - | 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.