Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 32GB 3.2TB Cache 48TB Drives

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.