Synology
Synology RS3621RPXS 12-Bay RackStation NAS Diskless
★★★★★
Maximize Your Data Storage with High-Performance NAS SolutionThe Synology RackStation RS3621RPxs is a robust 12-bay 2U rackmount NAS, designed for businesses that require high throughput and data protection. Powered by a 6-core Intel processor and featuring redundant power supplies, it ensures bu...
$4,567.90*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Maximize Your Data Storage with High-Performance NAS Solution
The Synology RackStation RS3621RPxs is a robust 12-bay 2U rackmount NAS, designed for businesses that require high throughput and data protection. Powered by a 6-core Intel processor and featuring redundant power supplies, it ensures business continuity and reliable performance.
Specifications:
- Model: Synology RackStation RS3621RPxs
- Drive Bays: 12-bay
- Form Factor: 2U
- Processor: 6-core Intel processor
- Performance: Up to 189,098 random read IOPS and 4,718 MB/s sequential read
- Expansion: Two PCIe expansion slots for M.2 NVMe cache adapters and high-bandwidth network cards
- Power Supply: Two redundant power supplies
- Scalability: Supports up to 36 drive bays using two RX1217(RP)
Key Features
Up to 189,098 random read IOPS and 4,718 MB/s sequential read performance
Host multiple compute-intensive services with its 6-core Intel processor
Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards
Ensure business continuity with two redundant power supplies; Supports up to 36 drive bays using two RX1217(RP)
Only drives listed on the compatibility list can be used to create storage pools
Only Synology SAT5200 2.5" or Synology SNV3500 series SSDs (sold separately) can be used to create SSD caches
Specifications
Model
RS3621RPXS
Drive Bays
12-Bay
Processor
6-core Intel
Maximum Random Read IOPS
189,098
Maximum Sequential Read Performance
4,718 MB/s
PCIe Expansion Slots
2
Power Supplies
Redundant
Maximum Drive Bays (with expansion)
36 (using two RX1217(RP))
Compatible SSD for Cache
Synology SAT5200 2.5" / Synology SNV3500 series SSDs
Pros & Cons
👍 Pros
- Achieves impressive random read IOPS of up to 189,098, enabling quick access to data for demanding applications.
- Delivers a sequential read performance of up to 4,718 MB/s, facilitating rapid data transfers and backups.
- Features a 6-core Intel processor, capable of hosting multiple compute-intensive services simultaneously.
- Includes two PCIe expansion slots, providing flexibility for M.2 NVMe cache adapters and high-bandwidth network cards.
- Ensures business continuity with two redundant power supplies, enhancing reliability and minimizing downtime.
- Supports expansion up to 36 drive bays when utilizing two RX1217(RP) units, offering significant storage scalability.
👎 Cons
- Only drives listed on the Synology compatibility list can be used to create storage pools, limiting drive selection.
- SSD caches require specific Synology SAT5200 2.5" or Synology SNV3500 series SSDs, which are sold separately.
- The unit is diskless, meaning hard drives must be purchased additionally to build a functional storage solution.
- Achieving the maximum storage capacity requires purchasing two separate RX1217(RP) expansion units.
- The high-performance features and redundancy are suited for business use, potentially an over-specification for basic home users.
Frequently Asked Questions
What kind of processor does the Synology RS3621RPXS use?
The Synology RS3621RPXS is equipped with a 6-core Intel processor, designed to host multiple compute-intensive services efficiently.
Can I expand the storage capacity of this NAS beyond the initial 12 bays?
Yes, the Synology RS3621RPXS supports expansion up to 36 drive bays by connecting two RX1217(RP) units.
What types of drives are compatible for creating storage pools with this NAS?
Only drives that are specifically listed on the Synology compatibility list can be used to create storage pools with this device.
Does this NAS include SSDs for caching purposes?
No, Synology SAT5200 2.5" or Synology SNV3500 series SSDs, which are required for creating SSD caches, are sold separately.
How does the RS3621RPXS ensure continuous operation in case of power failure?
The RS3621RPXS is designed to ensure business continuity by featuring two redundant power supplies.
What kind of performance can I expect from this Synology NAS?
This NAS offers impressive performance with up to 189,098 random read IOPS and a sequential read performance of 4,718 MB/s.
Are there options to add additional network cards or cache adapters?
Yes, the unit includes two PCIe expansion slots, allowing for the addition of M.2 NVMe cache adapters and high-bandwidth network cards.
Related Products
