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Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 32GB RAM 800GB Cache 240TB Drives

SKU CH-0AK8-89ZHQ

A 12-bay rackmount NAS with Xeon D-1726 processor, 32GB DDR4 RAM, 800GB cache and 240TB of pre-installed enterprise drives, fully assembled and tested

  • 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 Capacity240TB (12 x 20TB)
  • Enterprise performance with 6-core Xeon D-1726 processor
  • 32GB DDR4 ECC memory for demanding workloads
  • 800GB Synology Enterprise cache accelerates data access
  • 240TB raw capacity from twelve 20TB enterprise drives
  • Dual 10GbE ports with link aggregation support

12-bay rackmount NAS for enterprise workloads

The Synology RS3626xs is a 2U rackmount network-attached storage server built around a 6-core Intel Xeon D-1726 processor with 32GB of DDR4 ECC memory. It arrives fully assembled and tested with twelve 20TB Synology Enterprise NAS drives delivering 240TB of raw capacity plus an 800GB Synology Enterprise cache pool. This configuration targets organisations that need centralised file storage, virtualization hosting, and multi-site collaboration in a single validated platform.

Dual 10GbE and PCIe Gen 4 expansion

Two onboard 10GbE RJ-45 ports support link aggregation for bandwidth scaling and network failover without extra cards. Two PCIe Gen 4 x8 slots remain open for adding compatible 10GbE or 25GbE adapters, Fibre Channel connectivity, or additional SSD caching hardware as requirements grow. The twelve drive bays accept 3.5-inch SATA HDDs or 2.5-inch SATA SSDs, and the unit includes redundant power supplies fed by two C13 to C14 cords for service continuity.

Sustained throughput for heavy datasets

Synology reports sequential performance exceeding 6,300 MB/s read and 3,700 MB/s write under its test conditions, indicating consistent throughput for large dataset access and backup windows. The Xeon D-1726 and DDR4 ECC memory combination maintains stability during prolonged virtualization or surveillance workloads. Operating limits are 0°C to 35°C and 8% to 80% relative humidity, so the rack environment must stay within those ranges for reliable 24/7 operation.

Highlights

  • Enterprise performance with 6-core Xeon D-1726 processor
  • 32GB DDR4 ECC memory for demanding workloads
  • 800GB Synology Enterprise cache accelerates data access
  • 240TB raw capacity from twelve 20TB enterprise drives
  • Dual 10GbE ports with link aggregation support

Specifications

BrandSynology
ModelRS3626xs
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 Capacity240TB (12 x 20TB)
ManagementWeb-Based, DHCP Client
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Temperature0°C to 35°C (32°F to 95°F)
Humidity8% to 80% RH
Dimensions88 mm × 482 mm × 724 mm
Weight14.5 kg
Package ContentsMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items

Questions about this item

What is the installed memory capacity of the RS3626xs?

The RS3626xs comes with 32GB of DDR4 ECC memory installed. It is configurable up to 48GB if additional capacity is required for workloads.

How loud does the rackmount unit run during continuous operation?

The system uses redundant power supplies and multiple cooling fans in a 2U chassis. Acoustic output under sustained load is typical for enterprise rack equipment and varies with ambient temperature up to 35°C.

Which drives are required to populate the 12 bays?

The unit ships fully populated with twelve 20TB Synology Enterprise NAS drives. It accepts 3.5-inch SATA HDDs or 2.5-inch SATA SSDs for any future replacement or expansion.

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