Synology RackStation RS2421+ 12Bay Network Attached Storage Drive

Reliable Data Management for Business Workloads

Synology RackStation RS2421+ is a 2U 12- bay rackmount NAS with cost-effective file management, sharing, and backup capabilities, specially designed for small business and remote office deployments. Powered by Synology’s DiskStation Manager (DSM).


  • High Performance: Support critical workloads with up to 2,200 MB/s read and 1,154 MB/s write performance
  • Expansion Options: Scale up to 24 drives with the RX1217(RP)2 and add 10/25GbE networking or fast NVMe SSD Cache with PCIe add-in cards
  • High Availability: Combine two devices into a Synology High Availability cluster for maximum service uptime and minute-level failover
  • Extendable Warranty: Includes a 3-year limited warranty with an optional extension to 5 years

Technical Specifications

Model Synology RS2421+
CPU AMD RyzenTM V1500B quad-core 2.2 GHz
Memory 4 GB DDR4 ECC UDIMM (expandable up to 32 GB)
Drive Bays 12
External port 2 x USB 3.2 Gen 1 ports
1 x Expansion port (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 Synology SAT5200 2.5″ or Synology SNV3400/3500 M.2 SSDs (sold separately) can be used for SSD cache
Performance (MB/s) Read: 1400 MB/s ; Write: 580 MB/s
Max. IP Camera Number 40
Max. User Accounts 2048
Max. Concurrent Connections (CIFS, FTP, AFP) 1000
Wake on LAN/WAN   Yes
Weight 11.5 kg
Warranty (Years) 3


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