Synology

Synology DS423+ 4 Bay Desktop NAS Storage Server

Name: Synology DS423+ 4 Bay Desktop NAS Storage Server
Brand: Synology
SKU: B0BXH389D1

Status: Synology DS423+ 4 Bay Desktop NAS Storage Server: Unavailable on Amazon as of 2026-10-19 22:28 UTC. 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 DS423+ 4 Bay Desktop NAS Storage Server: Holds up to 72 TB across 4 bays, expandable with RAID for redundancy; main trade-off: 4 bays cap expansion versus 6- and 8-bay models in the same line.

Unavailable on Amazon as of 2026-10-19 22:28 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-19

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. About the author →

Pros & Cons

Pros

✓ Holds up to 72 TB across 4 bays, expandable with RAID for redundancy
✓ Rated 226/224 MB/s sequential read/write for steady large-file transfers
✓ Runs Synology DSM with built-in file, photo, and surveillance apps
✓ Dual-core CPU handles multi-user access from Windows, macOS, and mobile

Cons

✗ 4 bays cap expansion versus 6- and 8-bay models in the same line
✗ 226 MB/s ceiling limits it on 2.5GbE and faster home networks
✗ Desktop form factor needs shelf space and a nearby power outlet
✗ DSM setup, RAID choice, and app configuration take time for first-time NAS owners

Manufacturer description

The Synology DS423+ is a high-performance 4 Bay Desktop NAS Storage Server, ideal for homes and small businesses. Powered by a dual-core CPU, it ensures swift data transfer and offers scalable storage capacity with RAID support. Safeguard your digital assets efficiently with this reliable NAS, featuring the Synology DSM operating system.

SpecPicks Verdict

SpecPicks scored Synology DS423+ 4 Bay Desktop NAS Storage Server 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

Centralized Data Storage - Store up to 72 TB of data in one place, maintain 100% data ownership, and enjoy multi-platform access
Dependable Performance - Up to 226/224 MB/s sequential read/write throughput supports stable data transfers
Built-in Data Management Tools - Leverage built-in file and photo management, data protection, and surveillance solutions
Effortless Data Sharing and Syncing - Access, share, and sync your data and media easily across different operating systems and devices

Full Specifications

Brand	Synology

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