RS2421+​/​RS2421RP+ | RackStation RS2421+​/​RS2421RP+


Secure storage for your business

Synology RS2421+/RS2421RP+ are versatile 2U 12-bay storage servers designed to accommodate a diverse set of business environments. Scalable up to 24 drives, they are designed for cost-effective file management and sharing and include powerful backup capabilities designed for businesses with a growing data footprint. The unit delivers 2,200 MB/s 64K sequential read and 1154 MB/s sequential write performance1, and can be optionally enhanced with SSD cache and 10/25Gb Ethernet2.

Compute

Compute

AMD Ryzen V1500B quad-core 2.2 GHz

Throughput

Throughput

2,200 MB/s seq. read and 1154 MB/s seq. write performance1

Memory

Memory

4 GB ECC DDR4, up to 32 GB

Scalability

Scalability

Up to 24 drive bays with RX1217(RP)

RS2421+​/​RS2421RP+ | RackStation RS2421+​/​RS2421RP+

CPU
CPU ModelAMD Ryzen V1500B
CPU Quantity1
CPU Architecture64-bit
CPU Frequency4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory4 GB DDR4 ECC UDIMM
Memory Module Pre-installed4 GB (4 GB x 1)
Total Memory Slots2
Maximum Memory Capacity32 GB (16 GB x 2)
Notes
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
Storage
Drive Bays12
Maximum Drive Bays with Expansion Unit24 (RX1217/RX1217RP x 1)
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
Hot Swappable Drive*
Notes
  • Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port*2
Expansion Port1
NotesThe USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe
PCIe Expansion1 x Gen3 x8 slot (x4 link)
File System
Internal Drives
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT
NotesexFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance
Form Factor (RU)2U
Size (Height x Width x Depth)RS2421+ :88 mm x 482 mm x 552 mmRS2421RP+ :88 mm x 482 mm x 578 mm
WeightRS2421+ :11.5 kgRS2421RP+ :11.9 kg
Rack Installation Support*4-post 19" rack (Synology Rail Kit - RKS-02)
NotesThe rail kit is sold separately
Others
System Fan60 mm x 60 mm x 3 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level*RS2421+ :50.1 dB(A)RS2421RP+ :54 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / AdapterRS2421+ :500 WRS2421RP+ :350 W
Redundant Power SupplyRS2421+ :-RS2421RP+ :
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power ConsumptionRS2421+ :79.56 W (Access) 34.89 W (HDD Hibernation)
RS2421RP+ :91.76 W (Access) 48.21 W (HDD Hibernation)
British Thermal UnitRS2421+ :271.65 BTU/hr (Access) 119.13 BTU/hr (HDD Hibernation)
RS2421RP+ :313.31 BTU/hr (Access) 164.61 BTU/hr (HDD Hibernation)
Notes
  • Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
Operating Temperature0°C to 35°C (32°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
Certification
  • FCC
  • CE
  • BSMI
  • EAC
  • CCC
  • KC
  • UL
  • VCCI
  • RCM
Warranty
3-year hardware warranty, extendable to 5 years with EW202 or Extended Warranty Plus
Notes
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
RoHS Compliant
Packaging Content
RS2421+ :
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • Quick Installation Guide X 1
RS2421RP+ :
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
Optional Accessories
  • DDR4 ECC UDIMM: D4EU01-4G/D4EC-2666-8G/D4EC-2666-16G
  • Expansion Units: RX1217/RX1217RP
  • 3.5" SATA HDD: HAT5300
  • 2.5" SATA SSD: SAT5210
  • M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1
  • M.2 SSD Adapter Card: 

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