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 8GB 3.2TB Cache 192TB Drives
A 12-bay 2U rackmount NAS with Xeon D-1726 processor, 8GB DDR4 ECC RAM, 3.2TB SSD cache and 192TB of enterprise drives, pre-configured for high-throughput file and virtualization workloads
- 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 Capacity192TB (12 x 16TB)
- Enterprise performance with 6-core Xeon D-1726 processor
- 192 TB raw capacity from twelve 16 TB enterprise drives
- 2 TB Synology cache accelerates frequent data access
- Dual 10 GbE ports with link aggregation for high throughput
- Expandable to 48 GB DDR4 ECC memory for virtualization workloads
Enterprise 12-bay rackmount NAS
The Synology RS3626xs is a 2U rackmount network-attached storage system built for organisations that need high-capacity, centralised file storage with integrated 10GbE connectivity. It ships fully assembled and tested with twelve 16 TB Synology Enterprise drives delivering 192 TB of raw capacity, plus 3.2 TB of enterprise SSD cache and 8 GB of DDR4 ECC memory.
Thermals noise and power draw
The chassis operates within a 0 °C to 35 °C ambient range and draws power from dual redundant 100-240 VAC supplies for continuous availability. Synology specifies 10GbE sequential throughput above 6,300 MB/s read and 3,700 MB/s write under its test conditions, indicating sustained high-load operation within the rated thermal envelope.
Bundled drives cache and memory
Twelve 16 TB enterprise SATA drives and two 1.6 TB enterprise cache SSDs come pre-installed, eliminating separate drive procurement and initial RAID configuration time. The 8 GB DDR4 ECC module is expandable to 48 GB, and two PCIe Gen 4 x8 slots remain available for future network or storage upgrades.
Highlights
- Enterprise performance with 6-core Xeon D-1726 processor
- 192 TB raw capacity from twelve 16 TB enterprise drives
- 2 TB Synology cache accelerates frequent data access
- Dual 10 GbE ports with link aggregation for high throughput
- Expandable to 48 GB DDR4 ECC memory for virtualization workloads
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 | 192TB (12 x 16TB) |
| 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 into a standard rack, and what step is often missed?
Mount the 2U chassis using the supplied rails, connect both C13 to C14 power cords for redundant supply operation, then cable the two 10GbE RJ-45 ports and the out-of-band management LAN; the step often missed is wiring the second power cord to a separate PDU.
What maintenance or replacement will the cache and drives need later?
The two 1.6 TB enterprise cache modules and twelve 16 TB enterprise SATA drives are field-replaceable; monitor SMART health via DSM and swap any drive or cache module that reports reallocated sectors or latency spikes.
What limit appears first when the RS3626xs runs sustained heavy workloads?
The operating temperature ceiling of 35 °C is the first hard limit; if intake air exceeds this, the system will throttle or shut down to protect the Xeon D-1726 and DDR4 ECC memory.
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