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Synology DS223j 2-Bay Diskstation NAS (Realtek RTD1619B 4-Core 1.7 GHz 1GB DDR4 Ram 1xRJ-45 1GbE LAN-Port)
Synology

Synology DS223j 2-Bay Diskstation NAS (Realtek RTD1619B 4-Core 1.7 GHz 1GB DDR4 Ram 1xRJ-45 1GbE LAN-Port)

Status: Synology DS223j 2-Bay Diskstation NAS: 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 DS223j 2-Bay Diskstation NAS: Realtek RTD1619B quad-core at 1.7 GHz handles multi-user file serving; main trade-off: only 1 GB DDR4 non-ECC RAM, and it is not user-upgradable.

Unavailable on Amazon as of

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Currently unavailable on Amazon. Not the same product — an in-stock alternative:

Similar: Synology DiskStation DS124 NAS Server with… — $409.00 on Amazon as of 2026-10-20 22:23 UTC (price may vary).

View Current Price — $409.00
Original listing (currently unavailable) → Compare to similar external storage

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

  • ✓ Realtek RTD1619B quad-core at 1.7 GHz handles multi-user file serving
  • ✓ Two bays fit both 3.5-inch and 2.5-inch drives for mirrored redundancy
  • ✓ Two USB 3.2 Gen 1 ports for external backup drives
  • ✓ Runs Synology DSM, including video surveillance for physical assets

Cons

  • ✗ Only 1 GB DDR4 non-ECC RAM, and it is not user-upgradable
  • ✗ Non-ECC memory means no error correction for critical archives
  • ✗ Single 1GbE LAN port caps transfers near 110 MB/s
  • ✗ Drives are sold separately, adding cost on top of the enclosure

Manufacturer description

The Synology DS223j is a 2-bay desktop NAS built for households and small offices that have outgrown external drives. A Realtek RTD1619B quad-core processor running at 1.7 GHz pairs with 1 GB of DDR4 non-ECC memory to handle file serving, media libraries, and backup jobs without the noise or power draw of a full PC. You supply your own 3.5-inch or 2.5-inch drives across the two bays, then use Synology DSM to store, share, and protect documents and photos from any device. Connectivity is straightforward: a single RJ-45 1GbE LAN port for the network plus two USB 3.2 Gen 1 ports for external…

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SpecPicks Verdict

SpecPicks scored Synology DS223j 2-Bay Diskstation NAS 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.

Frequently Asked Questions

Does the Synology DS223j come with hard drives included?

No. The DS223j is a diskless 2-bay enclosure, so you buy 3.5-inch or 2.5-inch drives separately. Budget for those on top of the enclosure price.

How much RAM does the DS223j have, and can I upgrade it?

It ships with 1 GB of DDR4 non-ECC system memory. Synology lists no expansion slot for this model, so plan around the 1 GB configuration and check the product listing for current specifications.

What processor is in the DS223j?

A Realtek RTD1619B quad-core CPU clocked at 1.7 GHz. It is an ARM-based chip tuned for file serving, backups, and photo libraries rather than heavy media transcoding.

What ports does the DS223j have?

One RJ-45 1GbE LAN port for your network and two USB 3.2 Gen 1 ports for external drives, USB backups, or imports.

Key Features

  • Store, share, and protect Configure your DS223j to manage all your documents, photos, and other files, or protect your physical assets with professional video surveillance.
  • CPU Model Realtek RTD1619B, System Memory 1 GB DDR4 non-ECC
  • Safely access and share files and media from anywhere, and keep clients, colleagues and collaborators on the same page
  • 1x RJ-45 1GbE LAN-Port, 2x USB 3.2 Gen 1 Port
  • Synology DS223j

Full Specifications

Size0TB
BrandSynology
ColorWhite
MaterialMetal
ConnectivityUSB
Model NumberDS223J
Mounting TypeTabletop
Storage Volume36 TB
Mfr Part NumberDS223j
Compatible DevicesDesktop
Enclosure MaterialMetal
Item Dimensions D x W x H3.94"D x 8.86"W x 6.5"H
Global Trade Identification Number04711174724765

Ready to buy?

Amazon shows no buyable offer for Synology DS223j 2-Bay Diskstation NAS at the last check. A similar in-stock product is Synology DiskStation DS124 NAS Server with…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $409.00

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Synology DS223j 2-Bay Diskstation NAS (Realtek RTD1619B 4-Core 1.7 GHz 1GB DDR4 Ram 1xRJ-45 1GbE LAN-Port)
Similar, in stock — $409.00 →