Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
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Synology Inc.
Synology RS3626xs Intel Xeon D-1726 12-Bay rackmount NAS 8GB 3.2TB cache 240TB drives
Twelve-bay rackmount NAS with Xeon D-1726 processor, 8GB DDR4 ECC memory, 3.2TB enterprise SSD cache and 240TB of pre-installed 20TB enterprise drives
- 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 Capacity240TB (12 x 20TB)
- High-capacity storage with twelve 20TB enterprise drives
- Ready-to-deploy system fully assembled and tested
- Fast network throughput via dual 10GbE ports
- Expandable memory up to 48GB DDR4 ECC
- Redundant power supplies protect service availability
12-Bay rackmount NAS for business workloads
The Synology RS3626xs is a 2U rackmount network-attached storage system built around a 6-core Intel Xeon D-1726 processor. It ships with 8 GB of DDR4 ECC memory, expandable to 48 GB, and includes twelve 20 TB Synology Enterprise SATA drives pre-installed for 240 TB of raw capacity. Two 1.6 TB Synology Enterprise cache modules provide 3.2 TB of read-write acceleration. Dual redundant power supplies help maintain uptime during a single supply failure.
Network limits of the integrated 10GbE interface
Two onboard 10GbE RJ-45 ports support Link Aggregation for higher throughput, load balancing and automatic failover. Sequential throughput reaches 6,300 MB/s read and 3,700 MB/s write under Synology test conditions. Two PCIe Gen 4 x8 slots allow future addition of compatible 25GbE, 10GbE or Fibre Channel adapters. Without extra cards the system remains limited to the two 10GbE links and the single out-of-band management port.
Capacity headroom with twelve drive bays
Twelve 3.5-inch bays hold the included 20 TB drives, delivering 240 TB before RAID overhead. The chassis also accepts 2.5-inch SATA SSDs for mixed deployments. Memory headroom extends from the factory 8 GB to a 48 GB ceiling for heavier virtualization or database workloads. Expansion beyond twelve internal bays requires external enclosures; the unit has no additional internal drive slots.
Highlights
- High-capacity storage with twelve 20TB enterprise drives
- Ready-to-deploy system fully assembled and tested
- Fast network throughput via dual 10GbE ports
- Expandable memory up to 48GB DDR4 ECC
- Redundant power supplies protect service availability
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 | 240TB (12 x 20TB) |
| 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 12-bay 240TB bundle or add drives later?
This unit ships fully assembled with twelve 20TB Synology Enterprise drives installed, giving 240TB of raw capacity out of the box.
What do the 6,300 MB/s read and 3,700 MB/s write figures mean for daily use?
Those are Synology sequential benchmarks; real-world speeds depend on RAID type, file size, network load and the two integrated 10GbE ports.
How do the two 10GbE RJ-45 ports and PCIe Gen 4 x8 slots limit expansion?
The onboard 10GbE ports cap at 10Gbps each; the two PCIe Gen 4 x8 slots accept compatible 10GbE, 25GbE, Fibre Channel or SSD caching cards for higher throughput.
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