Synology RS3621xs 12Bay 2U Network Attached Storage Server

Accelerating Business Workloads with Enterprise-Grade Data Protection

The Synology RackStation RS3621RPxs is a powerful 12-bay 2U storage solution with built-in redundant power. Engineered to deliver high throughput and robust data protection, its 6-core processor enables it to handle the demanding workloads of modern business environments. DiskStation Manager (DSM) provides comprehensive software solutions covering file management, data protection, surveillance, collaboration, virtualization and more.


  • Powerful Performance: Up to 189,098 random read IOPS and 4,718 MB/s sequential read performance
  • Powerful Compute: Host multiple compute-intensive services with its 6-core Intel processor
  • Upgradability: Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards
  • Redundant Power: Ensure business continuity with two redundant power supplies
  • On-demand Scalability: Supports up to 36 drive bays using two RX1217(RP)
  • Warranty: Comes with Synology’s 5-year warranty

Technical Specifications

Model Synology RS3621xs
CPU Intel® Xeon D-1531 6-core (12-thread) 2.2 GHz, Turbo Boost up to 2.7 GHz
Memory 8 GB DDR4 ECC UDIMM (expandable up to 64 GB)
Drive Bays 12
External port •2 x USB 3.2 Gen 1 ports
•2 x Expansion ports (Infiniband)
LAN 4 x 1GbE RJ-45
Compatible HDD/SSD Type • 12 x 3.5″ or 2.5″ SATA HDD/SSD (drives not included)
• Only drives listed on the compatibility list can be used to create storage pools5
• Only Synology SAT5200 2.5″ or Synology SNV3500 series SSDs (sold separately) can be used to create SSD caches
Performance (MB/s) Up to 189,098 random read IOPS and 4,718 MB/s
sequential read performance
Max. IP Camera Number 75
Max. User Accounts 16000
Max. Concurrent Connections (SMB/NFS/AFP/FTP)  2000
Wake on LAN/WAN   Yes
Warranty (Years) 5


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