Synology Network Attached Storage RS3621RPxs 2U 12Bay RackStation Diskless

Safeguard your business assets

Synology RS3621RPxs is a powerful 12-bay storage server. Its 6-core processor enables compute-intensive services while its redundant power, ECC memory, and Btrfs file system safeguard mission-critical data. Capable of delivering 189,098 4K random read IOPS and 4,718 MB/s sequential read throughput1, it is ideal for small businesses.

Compute

Intel® Xeon® D-1531 6-core 2.2 GHz

Throughput

4,718 MB/s seq. read 189,098 4K random read IOPS

Expandability

Dual PCIe slots for 10GbE or NVMe cache

Scalability

Up to 36 drive bays with RX1217(RP)

Reliability first

Service continuity is at the core of the RS3621RPxs design.

Redundant power

Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans can be replaced without powering down the system.

Near-zero downtime

Synology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover. Learn more

Next-generation file system

Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots. Learn more
CPU
CPU Model
Intel Xeon D-1531
CPU Architecture
64-bit
CPU Frequency
6-core 2.2 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
Yes
Memory
System Memory
8 GB DDR4 ECC UDIMM
Memory Module Pre-installed
8 GB (8 GB x 1)
Total Memory Slots
4
Maximum Memory Capacity
64 GB (16 GB x 4)
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.
– For more information on the recommended memory configurations, visit here.
– 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
36 (RX1217/RX1217RP x 2)
Compatible Drive Type
3.5″ SATA HDD
2.5″ SATA SSD
Maximum Single Volume Size
200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
108 TB
Hot Swappable Drive
Yes
Notes
– Storage Pool and volume creation require all drives to be listed as compatible on the device models compatibility list.
– “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 108 TB (with memory less than 32 GB) or 200 TB (with memory equal to or greater than 32 GB).
External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port
2
Expansion Port
2
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
2 x Gen3 x8 slots (x8 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
80 mm x 80 mm x 4 pcs