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Synology 2-Bay NAS DS225+ (Diskless)
Synology

Synology 2-Bay NAS DS225+ (Diskless)

Status: Synology 2-Bay NAS DS225+: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Synology 2-Bay NAS DS225+: Quad-core Intel Celeron J4125 handles multi-user file sharing and media streaming; main trade-off: only 2GB non-ECC DDR4 out of the box, and no ECC memory option.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Quad-core Intel Celeron J4125 handles multi-user file sharing and media streaming
  • ✓ 2.5GbE LAN port more than doubles throughput over standard gigabit NAS boxes
  • ✓ Ships pre-populated with two 4TB WD Red Plus NAS drives (8TB raw)
  • ✓ Btrfs snapshots guard against accidental deletes and ransomware rollback
  • ✓ RAM expandable to 6GB; third-party drives now supported since DSM 7.3

Cons

  • ✗ Only 2GB non-ECC DDR4 out of the box, and no ECC memory option
  • ✗ Two bays cap RAID choices and future capacity expansion
  • ✗ Second LAN port is 1GbE only, not a matched pair of 2.5GbE
  • ✗ Celeron J4125 struggles with heavy 4K transcoding or multiple VMs

Manufacturer description

Store, sync, access, and share data from any device, wherever you are. Work seamlessly between different platforms and devices, and access your files through mobile apps, desktop clients, and a browser-based interface. Quickly and easily roll back files in case of accidental deletion, mistakes, malware, etc., with versioning.

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SpecPicks Verdict

SpecPicks scored Synology 2-Bay NAS DS225+ using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Synology's external storage 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 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 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

  • The DS225+ requires compatible drives. Please refer to the Synology compatibility list.
  • The new 2-bay Plus series model in the Intel Celeron J4125 quad-core processor is positioned to replace DS224+
  • 2 GB non-ECC DDR4 SODIMM by default, and upgradeable to 6 GB (2 GB + 4 GB)
  • Supports new memory module: D4NS01-4G
  • Built-in 1 x 2.5GbE and 1 x 1GbE RJ-45 LAN port

Full Specifications

Size12 cm x 27 cm x 28 cm
BrandSynology
ColorBlack
Weight4g
MaterialMetal Plastic
Model NumberDS225+
Mounting Typesurface mount
Mfr Part NumberDS225+
Compatible DevicesFestplatte, SSD
Enclosure MaterialMetal Plastic
Item Dimensions D x W x H17.72"D x 14.17"W x 11.81"H
Supports new memory moduleD4NS01-4G
Global Trade Identification Number04711174726387

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Synology 2-Bay NAS DS225+ (Diskless)
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