Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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Synology Inc.
Synology RS3626xs Xeon D-1726 12-Bay rackmount NAS 16GB 3.2TB cache 96TB
A 12-bay rackmount NAS with Xeon D-1726 processor, 16GB DDR4, 3.2TB cache and 96TB of enterprise drives, pre-assembled and tested
- Port RJ-452 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
- Port USB2 x USB 3.2 Gen 1 Ports
- Form Factor12-Bay
- ProcessorIntel Xeon
- Installed Memory16GB
- Included HDD Capacity96TB (12 x 8TB)
- 12-bay rackmount NAS scales to 96 TB with 12 enterprise drives
- Xeon D-1726 six-core CPU powers virtualization and multi-site workloads
- 2 TB dual SSD cache accelerates hot data reads and writes
- Dual 10 GbE RJ-45 ports enable link aggregation and failover
- 16 GB DDR4 ECC memory expandable to 48 GB for larger datasets
Enterprise 12-bay rackmount NAS
The Synology RS3626xs is a 2U rackmount network-attached storage server built around a 6-core Intel Xeon D-1726 processor with 16GB of DDR4 ECC memory. It arrives fully assembled with twelve 8TB enterprise drives providing 96TB of raw capacity plus a 3.2TB Synology cache module. The platform targets organisations that need centralised file storage, virtualization hosting, or multi-site collaboration in a validated configuration.
Dual 10GbE and PCIe Gen 4 expansion
Two integrated 10GbE RJ-45 ports support link aggregation for higher throughput, load balancing, and network failover. Synology quotes sequential performance above 6,300 MB/s read and 3,700 MB/s write under its test conditions. Two PCIe Gen 4 x8 slots allow future addition of compatible 10GbE or 25GbE adapters, Fibre Channel cards, or extra SSD caching hardware as requirements change.
Redundant power and tool-less drive access
Redundant power supplies protect service availability from a single power-supply failure. The twelve front bays accept 3.5-inch SATA HDDs or 2.5-inch SATA SSDs with tool-less trays for quick replacement. Status LEDs show power, drive activity, and link state at a glance, while an out-of-band management port enables remote monitoring even when the main OS is offline.
Highlights
- 12-bay rackmount NAS scales to 96 TB with 12 enterprise drives
- Xeon D-1726 six-core CPU powers virtualization and multi-site workloads
- 2 TB dual SSD cache accelerates hot data reads and writes
- Dual 10 GbE RJ-45 ports enable link aggregation and failover
- 16 GB DDR4 ECC memory expandable to 48 GB for larger datasets
Specifications
| Brand | Synology |
|---|---|
| Model | RS3626xs |
| Port RJ-45 | 2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port |
| Port USB | 2 x USB 3.2 Gen 1 Ports |
| Form Factor | 12-Bay |
| Processor | Intel Xeon |
| Installed Memory | 16GB |
| Included HDD Capacity | 96TB (12 x 8TB) |
| Management | Web-Based, DHCP Client |
| LEDs | Power, HDD (Hard Disk Drive), LAN (10/100) |
| Power | 100-240 VAC 50/60Hz |
| Temperature | 0°C to 35°C (32°F to 95°F) |
| Humidity | 8% to 80% RH |
| Dimensions | 88 mm × 482 mm × 724 mm |
| Weight | 14.5 kg |
| Package Contents | Main Unit × 1 Accessory Pack × 1 C13 to C14 power cord × 2 Front Cover × 1 All Configuration Items |
Questions about this item
Should I pick the 16 GB base memory or upgrade toward the 48 GB maximum for virtualization workloads?
The unit ships with 16 GB of DDR4 ECC memory and the platform supports expansion up to 48 GB, so you can start with the included capacity and add modules later if your virtual machines need more headroom.
What do the quoted 6,300 MB/s read and 3,700 MB/s write figures mean once the RS3626xs is in my rack?
Those are Synology's internal sequential benchmarks under specific test conditions; real-world throughput will depend on your drive mix, RAID level, network topology and the workloads you run.
How do the two onboard 10GbE RJ-45 ports and the PCIe Gen 4 x8 slots limit my network expansion options?
The integrated dual 10GbE ports support link aggregation and failover, while the two PCIe Gen 4 x8 slots let you add compatible 10GbE, 25GbE or Fibre Channel adapters when you need more bandwidth or different connectivity.
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