Synology
Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU
Bottom line: The Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU is a specs-and-price decision rather than a crowd-consensus one in the nas & home servers category, priced around $17,099.00 on Amazon as of 2026-10-21 10:12 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Synology NAS chassis comes in a sealed box.
- ✓ Backed by Synology's warranty and support channels
Cons
- ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
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 scored Synology RackStation RS4021xs+ NAS Server with Xeon 2.1GHz CPU using a rating × review-volume × price-fit model applied to published specs and reviews across the nas & home servers category. Synology's nas & home servers lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
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 |
| Number of Items | 1 |
| Compatible Devices | Server, CPU |
| Warranty Description | Manufacturer |
| Full listing title | 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 |
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 listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
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