Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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Synology Inc.
Synology RS3626xs Intel Xeon D-1726 12-Bay Rackmount NAS 48GB RAM 2-Port 10GbE 288TB (12 x 24TB) Drives
A 12-bay rackmount NAS holding 288 TB across twelve 24 TB drives, powered by a Xeon D-1726 with 48 GB DDR4 and dual 10GbE ports
- 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 Memory48GB
- Included HDD Capacity288TB (12 x 24TB)
- 12-bay chassis scales to 288TB raw capacity with twelve 24TB drives
- 48GB DDR4 ECC memory handles virtualization and multi-user workloads smoothly
- Dual 10GbE RJ-45 ports with link aggregation deliver 6300 MB/s sequential reads
- Intel Xeon D-1726 six-core processor powers demanding business applications reliably
- Redundant power supplies and out-of-band management ensure continuous service availability
Enterprise 12-Bay Rackmount NAS
The Synology RS3626xs is a 2U rackmount network-attached storage server built for organisations that need high-capacity, centrally managed data storage. It ships fully assembled with twelve 24 TB enterprise drives installed, delivering 288 TB of raw capacity, and is powered by a 6-core Intel Xeon D-1726 processor with 48 GB of DDR4 ECC memory.
Suited for virtualisation
This system targets IT teams running virtual machines, hosting surveillance archives, or synchronising large datasets across locations. The dual 10GbE RJ-45 ports and two PCIe Gen 4 x8 slots support bandwidth-heavy workloads. Buyers who need all-flash performance or a smaller desktop form factor should evaluate other platforms.
288 TB of pre-installed enterprise drives
The defining specification is the twelve 24 TB Synology Enterprise NAS drives that come installed and tested. This capacity determines how much primary data, backup retention, or surveillance footage the appliance can hold before expansion units are added.
Highlights
- 12-bay chassis scales to 288TB raw capacity with twelve 24TB drives
- 48GB DDR4 ECC memory handles virtualization and multi-user workloads smoothly
- Dual 10GbE RJ-45 ports with link aggregation deliver 6300 MB/s sequential reads
- Intel Xeon D-1726 six-core processor powers demanding business applications reliably
- Redundant power supplies and out-of-band management ensure continuous 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 2 x 10GbE 10GBASE-T |
| Port USB | 2 x USB 3.2 Gen 1 Ports |
| Form Factor | 12-Bay |
| Processor | Intel Xeon |
| Installed Memory | 48GB |
| 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 often will the twelve 24 TB SATA drives need to be replaced in a RAID array?
Drive lifespan depends on workload and environment; Synology Enterprise drives are rated for continuous operation, and the RS3626xs supports hot-swap replacement without downtime.
What throughput limit appears first during sustained 10 GbE transfers?
Sequential reads can exceed 6,300 MB/s and writes 3,700 MB/s under Synology test conditions, so the 10 GbE link is typically the bottleneck before the drives saturate.
How much heat and noise does the 2U chassis produce when running all day?
Dual redundant power supplies and multiple fans keep the system within the 0–35 °C operating range; acoustic output scales with drive count and fan speed under load.
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