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Status: Currently sold
| Series | HD Series |
|---|---|
| Bays | 60 |
| CPU | Intel Xeon Silver 4210R |
| Cores / Threads | 10 / 20 |
| RAM | 64 GB |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| RAM (max) | 512 GB |
| Memory slots | 16 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | RDIMM |
| Replaceable memory | Replaceable |
| Network ports | 2x 1GbE + 2x 10GbE + 1x Out-of-Band Management LAN Port + 15x Max. Number of LAN Ports |
| USB ports | 2x USB 3.2 Gen 1 |
| PCIe expansion | 2 × Gen3 x16 slot (x16 link)2 × Gen3 x8 slots (x8 link) |
| Drive bay types | 3.5" SAS HDD or 2.5" SATA SSD |
| Hot-swappable bays | yes |
| CPU frequency (GHz) | 2.4 |
| Max bays with expansion unit | 300 |
| Power draw, active (W) | 1025.2 |
| Power draw, hibernation (W) | 418 |
| Power supply (W) | 1600 |
| Noise level (dBA) | 60.8 |
| Dimensions H x W x D (mm) | 176 x 482 x 1020 |
| Weight (kg) | 37.9 |
| Largest certified configuration observed | 1440 TB (60 x Synology HAS5320-24T, largest drive on the vendor HCL today; not a hardware limit) |
| Estimated cost to fill every bay with a certified 8 TB drive | about $18,449 new (Synology HAS5300-8T) -- 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 |
|---|---|---|---|
| Broadcom P2100G | Connector: QSFP56; Host interface: PCIe 4.0 x16; Ports: 2 x 100GbE | Officially certified Checked 2026-09-16 | Firmware: 226. DSM version requirement: 7.3-81180 or later version. (Only applicable to models with DSM.) |
| 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: 9.0. |
| 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.) |
| Marvell FastLinQ QL41134HLRJ | Connector: RJ45; 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.) |
| 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) |
| 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.) |
| 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.) |
| 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 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 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
19 drives certified on HD6500'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.
19certified models
1drive brands
24 TBlargest listed
9with verified extra specs
Certified drives by capacity
0.48 TB3
0.96 TB3
1.92 TB3
3.84 TB3
7 TB1
8 TB1
12 TB2
16 TB1
20 TB1
24 TB1
Show all 19 certified drives
19 shown
| Brand | Model | Capacity | Type | Verified drive details | Recently observed offers | Status | Firmware |
|---|---|---|---|---|---|---|---|
| Synology | HAS5320-24T | 24.0 TB | 3.5" NAS HDD | - | New: $1,817.06 | Recommended | 1401 |
| Synology | HAS5310-20T | 20.0 TB | 3.5" NAS HDD | - | New: $1,243.39 | Recommended | 1402 |
| Synology | HAS5300-16T | 16.0 TB | 3.5" NAS HDD | - | No recent verified offer | Recommended | 1403 |
| Synology | HAS5310-12T | 12.0 TB | 3.5" NAS HDD | - | New: $1,064.70 | Recommended | 1401 |
| Synology | HAS5300-12T | 12.0 TB | 3.5" NAS HDD | - | New: $777.86 | Recommended | 1403 |
| Synology | HAS5300-8T | 8.0 TB | 3.5" NAS HDD | - | New: $307.49 | Recommended | 1402 |
| Synology | SAT5210-7000G | 7.0 TB | 2.5" Enterprise SSD | 5-year warranty | New: $7,671.71 | Recommended | SCEMH5.0 |
| Synology | SAT5220-3840G | 3.84 TB | 2.5" Enterprise SSD | - | No recent verified offer | Recommended | SCEMH5.0 |
| 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 | 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 |
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 HD6500. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
1certified modules
32–32 GBcapacity range
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes |
|---|---|---|---|---|---|---|---|
| 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.