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 32GB 3.2TB Cache 48TB Drives
Twelve-bay rackmount NAS with Xeon D-1726 processor, 32 GB DDR4 memory, 3.2 TB cache and 48 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 Memory32GB
- Included HDD Capacity48TB (12 x 4TB)
- 12-bay rackmount design supports high-capacity storage
- Intel Xeon D-1726 processor handles demanding workloads
- 32 GB DDR4 ECC memory enables smooth multitasking
- 2 TB Synology Enterprise cache accelerates data access
- 48 TB of Synology Enterprise drives included ready to deploy
12-bay rackmount NAS for enterprise workloads
The Synology RS3626xs is a 2U rackmount network-attached storage server built for demanding business environments. It ships fully assembled with twelve 4TB enterprise-class drives providing 48TB of raw capacity, 32GB of DDR4 ECC memory, and a 3.2TB SSD cache tier. The 6-core Intel Xeon D-1726 processor handles virtualization, multi-site collaboration, and intensive file serving tasks.
Thermals and power within 0-35°C operating range
The unit operates between 0°C and 35°C with humidity tolerance of 8% to 80% RH. Redundant power supplies accept 100-240 VAC at 50/60Hz, maintaining service availability if one supply fails. Two integrated 10GbE RJ-45 ports and a dedicated out-of-band management port handle network traffic without additional expansion cards installed.
Sustained throughput under continuous load
Synology reports sequential performance exceeding 6,300 MB/s read and 3,700 MB/s write under its test conditions. The 3.2TB cache tier accelerates frequent data access during prolonged workloads. Two PCIe Gen 4 x8 slots remain available for future 25GbE, Fibre Channel, or additional caching hardware as requirements grow beyond the factory configuration.
Highlights
- 12-bay rackmount design supports high-capacity storage
- Intel Xeon D-1726 processor handles demanding workloads
- 32 GB DDR4 ECC memory enables smooth multitasking
- 2 TB Synology Enterprise cache accelerates data access
- 48 TB of Synology Enterprise drives included ready to deploy
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 | 32GB |
| 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 what step is often missed?
Mount the 2U chassis using the included accessory pack, connect both C13 to C14 power cords for redundant supply operation, then attach the front cover; the step often missed is securing both power cords to separate circuits for true redundancy.
Which components in this RS3626xs will need replacement first under continuous operation?
The twelve 4TB Synology Enterprise NAS drives and the two 1.6TB Synology Enterprise cache modules are the primary wear items; the 32GB DDR4 ECC memory and Xeon D-1726 processor have no scheduled replacement interval.
What limit appears first when the RS3626xs runs sustained workloads?
The operating temperature ceiling of 35°C is the first constraint; the system is rated for 0°C to 35°C ambient, and prolonged heavy I/O can push internal temps toward that limit before network or CPU saturation occurs.
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