Synology NAS RS2421RP+ 2U 12-bay RackStation Diskless Retail

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 Ethernet.


Compute

AMD Ryzen™ V1500B quad-core 2.2 GHz

Throughput

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

Memory


4 GB ECC DDR4, up to 32 GB

Scalability

Up to 24 drive bays with RX1217(RP)


High performance storage for anything

Over 106K/59K random read/write IOPS and up to 2,200/1,154 MB/s sequential read/write throughput ensure ample performance for demanding workloads.

* compared to predecessor RS2418(RP)+


Built for reliability

Redundant power(*Redundant power only available in the RS2421RP+ model.)

Reduce the possibility of power disruptions on a single distribution channel or PDU adversely impacting data and service availability.


Near-zero downtime

Pair two identical devices with Synology High Availability and enable automatic minute-level failover between both devices in the event one server fails.

CPU
CPU Model
AMD Ryzen V1500B
CPU Quantity
1
CPU Architecture
64-bit
CPU Frequency
4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)
Yes

Memory
Systvem Memory
4 GB DDR4 ECC UDIMM

Memory Module Pre-installed
4 GB (4 GB x 1)

Total Memory Slots
2

Maximum Memory Capacity
32 GB (16 GB x 2)

Notes
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.
Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage
Drive Bays
12

Maximum Drive Bays with Expansion Unit
24 (RX1217/RX1217RP x 1)

Compatible Drive Type
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
(See all supported drives: https://www.synology.com/en-us/compatibility)

Maximum Single Volume Size
108 TB

Hot Swappable Drive
Yes

Notes
It is strongly recommended that you only install drives listed on your devices compatibility list. Storage pool and volume creation processes may fail when using unverified drives. Synology is unable to provide technical support for devices using unsupported components.
"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.
Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port
2
Expansion Port
1
Notes
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

PCIe
PCIe Expansion
1 x Gen3 x8 slot (x4 link)

File System
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes
exFAT Access is purchased separately in Package Center.

Appearance
Form Factor (RU)
2U
Rack Installation Support
4-post 19" rack (Synology Rail Kit - RKS1317)
Notes
The rail kit is sold separately

Others
System Fan
60 mm x 60 mm x 3 pcs

Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode

Easy Replacement System Fan
Yes

Power Recovery
Yes