What are the alternatives to the Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4?

Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4 competes with other NAS & Home Servers products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full NAS & Home Servers category for alternatives.

Synology

Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4

Name: Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4
Brand: Synology
SKU: B087Z34F3R
Price: 709.57 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$709.57

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View Current Price on Amazon → Compare to similar nas & home servers

*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.

Bottom line: The Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4 is a niche pick — read recent reviews before buying in the nas & home servers category, priced around $709.57. Compare close alternatives before committing.

The Synology DiskStation DS920+ is a four-bay diskless NAS built for households and small teams that have outgrown external drives and cloud subscriptions. Its Intel quad-core processor with an AES-NI hardware encryption engine pushes over 225 MB/s sequential read and write throughput, so encrypted backups and multi-user file transfers stay quick instead of bottlenecking your network. Two built-in M.2 2280 NVMe slots accept SSD cache drives without consuming any of the four storage bays, which keeps all four spots free for high-capacity hard drives while Synology SSD Cache technology…

SpecPicks Verdict

SpecPicks scored Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4 using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis 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. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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

✓ 4 GB DDR4 memory (expandable up to 8 GB); Scalable up to 9 drives with Synology DX517
✓ 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 quad-core processor with AES-NI hardware encryption engine, over 225 MB/s sequential read and write throughput.
4 GB DDR4 memory (expandable up to 8 GB); Scalable up to 9 drives with Synology DX517
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	DS920+
Brand	Synology
Color	Black
Material	Metal
Model Number	DS920+
Mounting Type	Tabletop
Mfr Part Number	DS920+
Compatible Devices	Camera, Desktop, Laptop, Smartphone, Television
Enclosure Material	Metal
Warranty Description	3 year
Global Trade Identification Number	04711174723812

Ready to buy?

Synology 4 bay NAS DiskStation DS920+ (Diskless), 4-bay; 4GB DDR4 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.

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*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.