Synology
RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 192TB HDD Storage, 2 x 10GbE LAN Ports, DSM Operating System Bundle with Rail kit
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
Synology RackStation RS4021xs+ is a strong, adaptable 16-Bay rackmount NAS designed for growing businesses; rail kit included for easy server installation.Driving force capable of fitting into small & medium business environments with substantial, rigorous, multi-user workloads.Form Factor: NAS Rack ServerInternal File System Format: EXT4, BtrfsPorts: 4 x RJ-45 1GbE & 2 x RJ-45 10GbE LAN Ports (both with Link Aggregation/ Failover support); 2 x USB 3.2 Ports; 2 x Expansion Ports; Btrfs File System for Advanced LUN iSCSI ServiceProcessor: Xeon D-1541 8-Core 2.1GHz CPUMemory: 64GB DDR4 ECC…
SpecPicks Verdict
SpecPicks classifies Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB… as a niche pick — read recent reviews before buying in the nas & home servers category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. Synology's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for nas & home servers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Synology NAS chassis comes in a sealed box.
- ✓ Backed by Synology's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Synology RackStation RS4021xs+ is a powerful, versatile, and scalable 16-Bay rackmount NAS designed for growing businesses; sliding rail kit is included for effortless server installation. A powerhouse capable of fitting into small and medium business environments with intensive, multi-user workloads.
- Xeon D-1541 8-Core 2.1GHz CPU, Up To 2.7GHz Turbo; 64GB DDR4 ECC UDIMM Memory; 192TB (16 x 12TB) SATA 3.5" HDDs for High-Capacity Storage; 4 x RJ-45 1GbE LAN Ports and 2 x RJ-45 10GbE LAN Ports (both with Link Aggregation / Failover support); 2 x USB 3.2 Ports; 2 x Expansion Ports; Btrfs File System for Advanced LUN iSCSI Service
- Provides solid and protected data security and lightning-fast performance. Supports large multi-user environments while handling data sensitive workloads.
- Synology NAS chassis comes in a sealed box.
- Hard drives and memory upgrades included separately, NOT installed, installation required.
Full Specifications
| Size | B) 192tb Hdd Storage |
|---|---|
| Brand | Synology |
| Turbo | Yes |
| Connectivity | USB |
| Model Number | RS4021xs+ |
| Mounting Type | Rack Mount |
| Assembly Required | Yes |
| Compatible Devices | Server, CPU |
| Is Assembly Required | Yes |
| Warranty Description | Manufacturer |
Ready to buy?
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU, 64GB Memory, 192TB HDD Storage, 2 x 10GbE LAN Ports, DSM Operating System Bundle with Rail kit is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-25. Price and availability subject to change.
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