Synology
2 bay NAS DiskStation DS420+ (Diskless)
*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.
Bottom line: The 2 bay NAS DiskStation DS420+ (Diskless) is a category leader on buyer feedback in the external storage category, priced around $519.99, rated 4.6★ across 195 verified Amazon reviews. A confident buy for most shoppers in this category.
Synology DiskStation DS420+ is a networkattached storage solution for smooth data sharing, video streaming, and photo indexing. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance.
SpecPicks Verdict
SpecPicks classifies Synology 2 bay NAS DiskStation DS420+ (Diskless) as a category leader on buyer feedback in the external storage category, based on 195 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Synology's positioning sits comfortably above the category median. 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 external storage 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
- ✓ Highly rated — 4.6★ average across customer reviews
- ✓ 2 GB DDR4 memory (expandable up to 6 GB)
- ✓ 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
- Two built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays.
- Intel dual-core processor with AES-NI hardware encryption engine; over 226 MB/s sequential read and 225 MB/s sequential write throughput.
- 2 GB DDR4 memory (expandable up to 6 GB)
- Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time.
- By default, two camera licenses are installed; extra licenses can be purchased (CLP1, CLP4, or CLP8)
Full Specifications
| Size | 4-bay; 2GB DDR4 |
|---|---|
| Brand | Synology |
| Color | Black |
| Material | Synthetic Leather |
| Model Number | DS420+ |
| Mounting Type | Tabletop |
| Built-In Media | 1 |
| Mfr Part Number | DS420+ |
| Weight Capacity | Minimum weight: 10.56 ounces |
| Compatible Devices | Desktop |
| Enclosure Material | Synthetic Leather |
| Is Assembly Required | No |
| Warranty Description | 3 year |
| Item Dimensions D x W x H | 7.83"D x 8.78"W x 6.54"H |
Ready to buy?
Synology 2 bay NAS DiskStation DS420+ (Diskless) 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 2026-06-06. Price and availability subject to change.
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