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 Xeon D-1726 12-Bay Rackmount NAS 16GB 1.6TB Cache 288TB Drives
12-bay rackmount NAS with Xeon D-1726 processor, 16 GB DDR4 RAM, 1.6 TB SSD cache and 288 TB of enterprise SATA drives pre-installed
- 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 Capacity288TB (12 x 24TB)
- Ready-to-deploy 12-bay NAS fully assembled and tested
- Xeon D-1726 six-core CPU drives demanding workloads
- 16 GB DDR4 ECC memory ensures data integrity
- 6 TB enterprise SSD cache accelerates frequent reads
- 288 TB raw capacity from twelve 24 TB drives
12-Bay Enterprise Rackmount NAS
The Synology RS3626xs is a 2U rackmount network-attached storage server built for organisations that need centralised file storage, virtualisation and backup in a single appliance. It ships fully assembled with twelve 24 TB enterprise drives providing 288 TB of raw capacity and 1.6 TB of dedicated cache. A 6-core Intel Xeon D-1726 processor and 16 GB of DDR4 ECC memory drive the platform, while dual redundant power supplies protect uptime against a single supply failure.
Sustained throughput with 10GbE and cache
Under continuous load the system delivers sequential read speeds above 6 300 MB/s and write speeds above 3 700 MB/s as measured by Synology under its test conditions. Two onboard 10GbE RJ-45 ports support Link Aggregation to combine bandwidth, balance traffic and provide failover without an extra card. The 1.6 TB enterprise SSD cache absorbs random I/O bursts so that heavy multi-user workloads keep consistent latency instead of throttling after a short burst.
Expansion constrained by PCIe Gen 4 x8 slots
Growth beyond the twelve internal bays relies on two PCIe Gen 4 x8 slots that accept compatible 10GbE, 25GbE or Fibre Channel adapters and additional SSD caching hardware. Each slot is limited to the x8 electrical interface, so a single x16 card cannot use its full width and dual x16 cards cannot both run at x16. The 10GbE RJ-45 ports are fixed on the motherboard and cannot be upgraded to 25GbE or Fibre Channel without occupying a PCIe slot.
Highlights
- Ready-to-deploy 12-bay NAS fully assembled and tested
- Xeon D-1726 six-core CPU drives demanding workloads
- 16 GB DDR4 ECC memory ensures data integrity
- 6 TB enterprise SSD cache accelerates frequent reads
- 288 TB raw capacity from twelve 24 TB drives
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 | 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 the Xeon D-1726 runs all day?
The unit operates between 0°C and 35°C ambient; redundant power supplies and 12 drive bays generate typical rackmount noise and heat under load.
Which drives and memory must I already own to use the 12-bay chassis?
Twelve 24 TB SATA drives and 16 GB DDR4 ECC memory are pre-installed; the chassis accepts 3.5-inch SATA HDDs or 2.5-inch SATA SSDs for future expansion.
Will the two 10GbE RJ-45 ports work with my older 1GbE switches and cabling?
Yes, the 10GbE ports auto-negotiate down to 1 GbE and 100 MbE, so existing Cat5e or Cat6 infrastructure works without changes.
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