Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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$23.99
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Synology Inc.
Synology RS3626xs 12-Bay Rackmount NAS 16GB 144TB 25GbE
A 12-bay rackmount NAS with 144 TB of enterprise drives, Xeon processor, 16 GB DDR4 and dual 25 GbE ports for high-throughput workloads
- 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 Capacity144TB (12 x 12TB)
- Ready for demanding workloads with 6-core Intel Xeon D-1726 processor
- High-speed networking via two integrated 10GbE ports and two 25GbE SFP28 adapters
- Massive 144TB raw capacity from twelve 12TB Synology Enterprise drives pre-installed
- Expandable memory up to 48GB DDR4 ECC for growing virtualization needs
- Fully assembled and tested with redundant power supplies for service continuity
Enterprise 12-Bay Rackmount NAS
The Synology RS3626xs is a 2U rackmount network-attached storage server with twelve drive bays, a 6-core Intel Xeon D-1726 processor and 16 GB of DDR4 ECC memory. It ships fully assembled with twelve 12 TB Synology Enterprise SATA drives providing 144 TB of raw capacity and a dual-port 25 GbE SFP28 adapter installed. This configuration targets organisations that need high-throughput centralised storage, virtualisation hosting or multi-site file collaboration in a single validated appliance.
25 GbE SFP28 and 10 GbE RJ-45 networking
Network connectivity relies on two integrated 10 GbE RJ-45 ports supporting link aggregation and two 25 GbE SFP28 ports from the included adapter. Throughput is limited by the PCIe Gen 4 x8 slot bandwidth and the switch infrastructure; the vendor quotes sequential reads above 6,300 MB/s and writes above 3,700 MB/s under its own test conditions. Buyers without 25 GbE switching or compatible SFP28 transceivers will not reach the headline speeds.
Pre-populated drive bays and redundant power
The unit arrives with all twelve 3.5-inch drive bays populated and the 25 GbE adapter seated, so initial deployment only requires rack mounting, power and network cabling. Two hot-swap C13 power inlets provide supply redundancy, but the 14.5 kg chassis needs two-person handling or a lift. The two PCIe Gen 4 x8 slots remain free for future cache or connectivity upgrades, though only Synology-qualified expansion cards are supported.
Highlights
- Ready for demanding workloads with 6-core Intel Xeon D-1726 processor
- High-speed networking via two integrated 10GbE ports and two 25GbE SFP28 adapters
- Massive 144TB raw capacity from twelve 12TB Synology Enterprise drives pre-installed
- Expandable memory up to 48GB DDR4 ECC for growing virtualization needs
- Fully assembled and tested with redundant power supplies for service continuity
Specifications
| Brand | Synology |
|---|---|
| Model | RS3626xs |
| Port RJ-45 | 2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port 2 x 25GbE SFP28 |
| Port USB | 2 x USB 3.2 Gen 1 Ports |
| Form Factor | 12-Bay |
| Processor | Intel Xeon |
| Installed Memory | 16GB |
| Included HDD Capacity | 144TB (12 x 12TB) |
| 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 choose the 12-bay version with 144TB or a smaller capacity?
This unit ships fully assembled with twelve 12TB Synology Enterprise drives, giving 144TB raw capacity in a single 2U 12-bay chassis.
What do the 6,300 MB/s read and 3,700 MB/s write figures mean in daily use?
Those are Synology's reported sequential speeds under test conditions; real-world throughput depends on RAID level, workload mix, and network path.
How do the two 25GbE SFP28 ports and two 10GbE RJ-45 ports limit actual transfer rates?
The 25GbE SFP28 ports cap at 25 Gb/s each, while the 10GbE RJ-45 ports cap at 10 Gb/s; aggregate bandwidth depends on link aggregation and switch configuration.
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