Synology RackStation RS2421+

£ 1,765.98  inc. vat

£ 1,471.65 ex. vat

Synology RackStation RS2421+

QuickFind: 1147069 Mfr part code: RS2421+
  • Rack Mountable
  • SATA 6Gb/s
  • RAID 0, 1, 5, 6, 10, JBOD
  • RAM 4 GB
  • Gigabit Ethernet

Product Description

Synology RackStation RS2421+

Reliable Data Management for Business Workloads

Synology RackStation RS2421+ and RS2421RP+ (redundant power) are 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), RS2421(RP)+ units come with powerful built-in business services and can easily be expanded with SSD cache and 10/25GbE networking capabilities.

Key Features

  • High Performance - Support critical workloads with up to 2,200 MB/s read and 1,154 MB/s write performance1
  • Redundant Power - Maximize uptime with two redundant power supply units (RS2421RP+)
  • 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 cards3
  • 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 years4

1. Performance figures obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration.

2. RS2421+/RS2421RP+ supports up to 24 drives with one Synology RX1217(RP) expansion unit, sold separately.

3. For the most up-to-date list of compatible NICs, please check our compatiblity list.

4. The warranty period starts from the purchase date as stated on your purchase receipt.

Technical Specification

Synology RackStation RS2421+


Device Type NAS server
Host Connectivity Gigabit Ethernet
Enclosure Type Rack-mountable - 2U
Total Storage Capacity 0 GB
Max Supported Capacity 108 TB
Installed Devices / Modules Qty 0 (installed) / 12 (max)
Width 48.2 cm
Depth 55.2 cm
Height 8.8 cm
Weight 11.5 kg

Processor / Memory

Processors Installed 1 x Ryzen V1500B 2.2 GHz
Number of Cores Quad-Core
Max Supported Qty 1
RAM 4 GB (installed) / 32 GB (supported) - DDR4

Storage Controller

Interface Type SATA 6Gb/s


Data Link Protocol 10Mb LAN, 100Mb LAN, GigE
Network / Transport Protocol PPTP, L2TP, iSCSI, FTP, SMB, NFS, SFTP, HTTPs
Remote Management Protocol SNMP, Telnet, HTTPS, SSH, SFTP
Network Services Compatibility Network File System (NFS), FTP, Server Message Block (SMB), Apple File Protocol (AFP), Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV), SFTP
Features VPN support, LDAP support, Access Control List (ACL) support, SSH support, e-mail server, reset button, Rsync compatible, L2TP support
Encryption Algorithm SSL, TLS, AES-NI

Security DVR

IP Cameras Supported 40

Expansion / Connectivity

Expansion Bays 12 (total) / 12 (free) x hot-swap - 2.5" / 3.5"
Expansion Slots 1 (total) / 1 (free) x PCI Express
Interfaces 4 x Ethernet 1000Base-T ¦ 2 x USB 3.2 - Type A ¦ 1 x management


Features Built-in 3 cooling fans
Compliant Standards TLS, SSL


Power Device Internal power supply
Voltage Required AC 120/230 V (50/60 Hz)
Power Provided 500 Watt

Software / System Requirements

OS Required Microsoft Windows 7, Apple macOS 10.12

Manufacturer Warranty

Service & Support Limited warranty - 3 years

Environmental Parameters

Min Operating Temperature 0 °C
Max Operating Temperature 35 °C
Humidity Range Operating 5 - 95%
Sound Emission 50.1 dBA

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Synology RackStation RS2421+

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£ 1,765.98  inc. vat

£ 1,471.65 ex. vat

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