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 8GB 1.6TB Cache 288TB Drives
A 12-bay rackmount NAS with Xeon D-1726 processor, 8GB DDR4 ECC memory, 1.6TB enterprise SSD cache, and 288TB of pre-installed 24TB Synology drives, fully 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 Memory8GB
- Included HDD Capacity288TB (12 x 24TB)
- 12-bay rackmount NAS scales to 288TB raw capacity with twelve 24TB enterprise drives
- Xeon D-1726 six-core processor and 8GB DDR4 ECC memory handle virtualization and multi-site workloads
- Dual 10GbE RJ-45 ports with link aggregation deliver 6300 MB/s sequential read throughput
- 6TB Synology enterprise SSD cache accelerates frequent data access for demanding applications
- Redundant power supplies and PCIe Gen 4 expansion slots protect uptime and future connectivity needs
Enterprise Storage Platform
The Synology RS3626xs is a 12-bay rackmount NAS built around a 6-core Intel Xeon D-1726 processor with 8GB of DDR4 ECC memory. It arrives fully assembled and tested with twelve 24TB Synology Enterprise drives providing 288TB of raw capacity plus 1.6TB of dedicated cache. This configuration targets organisations that need centralised file storage, virtualization support, and multi-site collaboration in a single 2U chassis.
Sustained Workload Behaviour
Synology reports sequential throughput exceeding 6300 MB/s read and 3700 MB/s write under its test conditions. Two integrated 10GbE RJ-45 ports support Link Aggregation for bandwidth scaling and network failover during prolonged transfers. Two PCIe Gen 4 x8 slots remain available for adding compatible network adapters or additional caching hardware as demand grows.
Thermal, Noise and Power Profile
The unit operates within a 0°C to 35°C ambient range and draws power from redundant 100-240 VAC supplies rated for 50/60Hz. Redundant power supplies protect service availability from a single supply failure without requiring external intervention. Physical dimensions are 88 mm × 482 mm × 724 mm at a weight of 14.5 kg.
Highlights
- 12-bay rackmount NAS scales to 288TB raw capacity with twelve 24TB enterprise drives
- Xeon D-1726 six-core processor and 8GB DDR4 ECC memory handle virtualization and multi-site workloads
- Dual 10GbE RJ-45 ports with link aggregation deliver 6300 MB/s sequential read throughput
- 6TB Synology enterprise SSD cache accelerates frequent data access for demanding applications
- Redundant power supplies and PCIe Gen 4 expansion slots protect uptime and future connectivity needs
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 | 8GB |
| Included HDD Capacity | 288TB (12 x 24TB) |
| 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
How loud and hot does the RS3626xs get when running 24/7 with all twelve 24 TB drives and the 1.6 TB cache installed?
The unit operates between 0 °C and 35 °C ambient temperature and 8 % to 80 % relative humidity; power input is 100–240 VAC 50/60 Hz.
What network cabling and switch ports are required to use the two 10 GbE RJ-45 links on the RS3626xs?
The NAS provides two 10 GbE RJ-45 LAN ports and one out-of-band management port; compatible cabling and switch ports supporting 10 GbE are needed.
Can the RS3626xs share storage with an older Synology unit that only has 1 GbE ports?
Yes, the 10 GbE ports auto-negotiate down to 1 GbE, so the RS3626xs can connect directly to legacy 1 GbE switches or NAS devices.
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