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Status: Currently sold
An enterprise 4U all-flash NVMe storage array from 2026 with two active-active controllers, built for mission-critical block and file storage. Each controller runs a 24-core AMD EPYC with ECC memory, and the 48 U.3 NVMe bays expand to 216. This is data center gear, not small office storage.
| Series | PAS Series |
|---|---|
| Bays | 48 |
| CPU | AMD EPYC 7443P |
| Cores / Threads | 24 / 48 |
| RAM | 64 GB |
| CPU architecture | x86_64 |
| Support tier | full |
| Warranty (years) | 5 |
| Release year | 2026 |
| RAID levels | RAID 5, RAID 6, RAID TP |
| PCIe slot types | 1x PCIe Gen 4 x16; 2x PCIe Gen 4 x8 |
| RAM (max) | 1024 GB |
| Memory slots | 16 |
| Memory generation | DDR4 |
| ECC memory | Supported |
| Memory module type | RDIMM |
| Network ports | 2x 10GbE + 1x 1GbE |
| USB ports | None |
| PCIe expansion | 1 x Gen4 x16 slot (x16link)2 x Gen4 x8 slot (x8link) (per controller) |
| Drive bay types | 48 |
| Hot-swappable bays | Yes |
| CPU frequency (GHz) | 2.85 |
| Max bays with expansion unit | 216 |
| Power supply (W) | 2700 |
| Noise level (dBA) | 66.1 |
| Dimensions H x W x D | 6.9 x 18.9 x 30.4 in (175.8 x 480.5 x 771 mm) |
| Weight | 84.2 lb (38.2 kg) |
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 |
|---|---|---|---|---|
| Broadcom P2100G | Connector: QSFP56; Host interface: PCIe 4.0 x16; Ports: 2 x 100GbE | Officially certified Checked 2026-10-17 | Firmware: 226. DSM version requirement: 7.3-81180 or later version. (Only applicable to models with DSM.) | Search Amazon eBay |
| NVIDIA MCX755106AS-HEAT | Connector: QSFP112; Host interface: PCIe 5.0/4.0 x16; Ports: 2 x 200GbE | Officially certified Checked 2026-10-17 | Firmware: 28.44.1036. | Search Amazon eBay |
| Synology E10G30-F2 | Connector: SFP+; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially certified Checked 2026-10-17 | 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-T2 | Connector: RJ45; Host interface: PCIe 3.0 x8; Ports: 2 x 10GbE | Officially certified Checked 2026-10-17 | 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 2026-10-17 | 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 |
Compatible Drives
3 drives certified on PAS7700'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.
Certified drives by capacity
Show all 3 certified drives
| Brand | Model | Capacity | Type | Status | Firmware |
|---|---|---|---|---|---|
| Synology | SPU7200D-7680G details | 7.68 TB | U.3 SSD | Recommended | SDENL49E |
| Synology | SPU7200D-3840G details | 3.84 TB | U.3 SSD | Recommended | SDENL49E |
| Synology | SPU7200D-1920G details | 1.92 TB | U.3 SSD | Recommended | SDENL49E |
Certified list last checked 2026-08-18.
Compatible Memory
1 memory module listed by Synology as compatible with PAS7700. Third-party modules may also work, but are not shown here unless Synology itself lists them as compatible.
| SKU | Capacity | DDR generation | ECC | Form factor | Rated speed | Warranty | Source and notes | Buy |
|---|---|---|---|---|---|---|---|---|
| D4ER02-64G | 64 GB | DDR4 | ECC | RDIMM | - | 5-year | Manufacturer source Checked 2026-09-16 | Search Amazon |
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.