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 48GB 48TB
A 12-bay rackmount NAS with Xeon D-1726 processor, 48GB DDR4 RAM and 48TB of 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 Memory48GB
- Included HDD Capacity48TB (12 x 4TB)
- 12-bay density fits 48TB in 2U rack space
- Xeon D-1726 6-core CPU handles virtualization workloads
- 48GB DDR4 ECC memory protects data integrity
- Dual 10GbE ports enable 6300 MB/s sequential reads
- Redundant power supplies maintain uptime during failures
12-Bay Rackmount NAS with Xeon D-1726
The Synology RS3626xs is a 2U enterprise rackmount NAS populated with twelve 3.5-inch drive bays. It ships fully assembled with a 6-core Intel Xeon D-1726 processor, 48GB of DDR4 ECC memory, and twelve 4TB Synology Enterprise HDDs providing 48TB of raw capacity. Dual redundant power supplies protect uptime against a single unit failure.
Suited for virtualisation
Organisations needing high-throughput file storage, backup targets, or virtual machine hosting on a validated platform will match this configuration. Buyers who require GPU acceleration or Fibre Channel connectivity without adding expansion cards should look at alternative platforms that include those features natively. The fixed 48GB memory may limit very large deduplication workloads.
Dual 10GbE RJ-45 ports with Link Aggregation
Two integrated 10GbE RJ-45 ports support Link Aggregation for higher bandwidth, load balancing, and network failover. Synology reports sequential performance exceeding 6,300 MB/s read and 3,700 MB/s write under its test conditions. Two PCIe Gen 4 x8 slots allow future addition of 25GbE adapters or SSD caching cards as requirements grow.
Highlights
- 12-bay density fits 48TB in 2U rack space
- Xeon D-1726 6-core CPU handles virtualization workloads
- 48GB DDR4 ECC memory protects data integrity
- Dual 10GbE ports enable 6300 MB/s sequential reads
- Redundant power supplies maintain uptime during failures
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 | 48GB |
| Included HDD Capacity | 48TB (12 x 4TB) |
| 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 do I install the RS3626xs in a rack and which step is often missed?
Mount the 2U chassis using the included accessory pack, connect both C13 to C14 power cords for redundancy, then link the two 10GbE RJ-45 ports and the out-of-band management LAN; the step most often missed is cabling the management port before first boot.
What maintenance or replacement will the RS3626xs need later?
The twelve 4TB Synology Enterprise SATA drives are the primary replaceable components; plan for drive swaps as they age, and the DDR4 ECC memory can be expanded to 48GB if workloads grow.
What limit appears first on the RS3626xs under sustained heavy load?
The operating temperature ceiling of 35°C is the first constraint; continuous high throughput can push the chassis toward that limit, so ensure rack airflow stays within the 8% to 80% RH range.
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