The Synology DS923+ is one of Synology’s best-selling 4-bay desktop NAS units, designed for prosumers, small businesses and serious home users. Built around an AMD Ryzen R1600 dual-core processor with ECC memory support, it runs Synology’s well-regarded DSM operating system and handles file serving, backup and media duties with ease. This bundle ships with 32GB of RAM and 40TB of pre-installed drives for around $2,499. This Synology DS923+ review covers the hardware, software and value.
Prime Synology DiskStation DS923+ NAS Server with Ryzen 2.6GHz CPU, 32GB Memory, 40TB HDD Storage, 1TB M.2 NVMe SSD, 2 x 1GbE LAN Ports, DSM Operating System
As an Amazon Associate we earn from qualifying purchases. Product prices and availability are accurate as of the date/time indicated.
Synology DS923+ at a Glance
| Component | Specification |
|---|---|
| Bay count | 4 bays (3.5″/2.5″ SATA HDD/SSD) |
| CPU | AMD Ryzen R1600 dual-core (2C/4T, 2.6 GHz) |
| RAM (default + max) | 4GB DDR4 ECC default, expandable to 32GB ECC (this bundle ships at 32GB) |
| Network ports | 2x 1GbE RJ-45 (optional 10GbE via PCIe E10G22-T1-Mini) |
| USB ports | 2x USB 3.2 Gen 1 Type-A, 1x eSATA |
| Max raw capacity | Up to 72TB with 4x 18TB drives (108TB with DX517 expansion) |
| RAID modes supported | SHR, SHR-2, JBOD, Basic, RAID 0/1/5/6/10 |
| OS / Software | Synology DSM 7.2+ (web-based) |
| Approx price | around $2,499 (bundle with 40TB drives + 32GB RAM) |
Hardware & Performance
The DS923+ is built around an AMD Ryzen R1600 dual-core processor running at 2.6 GHz, paired with ECC memory support — a genuinely useful feature for buyers who care about data integrity, since ECC RAM detects and corrects single-bit memory errors that can otherwise silently corrupt files. The base model ships with 4GB of DDR4 ECC, but this bundle is pre-configured with the maximum 32GB, giving plenty of headroom for memory-hungry applications such as virtual machines, Docker containers and the Synology Hyper Backup engine. The Ryzen R1600 is not a fast chip by laptop standards, but for a NAS it is well judged — it handles network throughput at gigabit and 10GbE speeds, manages BTRFS snapshots without strain, and copes with multiple simultaneous SMB clients. What it lacks is hardware video transcoding: there is no integrated GPU, so Plex transcoding falls back to software and is best avoided. For a deeper look at media-server-focused units, see our best NAS for Plex Media Server guide.
Storage & RAID Options
The DS923+ has 4 hot-swappable bays accepting 3.5″ or 2.5″ SATA HDDs and SSDs, plus two NVMe M.2 slots for SSD caching or, with recent DSM updates, direct M.2 storage pools. Maximum raw capacity is 72TB with 4x 18TB drives — and with the optional DX517 expansion unit you can extend that to 108TB. RAID options are comprehensive: Synology Hybrid RAID (SHR) and SHR-2 are the headline choices, allowing you to mix drives of different sizes with single or dual-disk fault tolerance respectively, plus traditional RAID 0, 1, 5, 6 and 10. SHR is particularly attractive for home users because it lets you start small and upgrade drives one at a time. BTRFS is the recommended filesystem and brings snapshots, self-healing and detailed integrity checks. Note that the NAS itself does not ship with HDDs in Synology’s standard SKU — this listing is a bundle that includes drives, which is why the price is higher than the bare unit.
Software & App Ecosystem
DSM (DiskStation Manager) is the reason most buyers choose Synology, and the DS923+ runs the latest DSM 7.2+ release. DSM is a mature, polished web-based operating system that feels closer to a desktop OS than a NAS interface, with a windowed taskbar, package manager and a wide range of first-party applications. Synology Drive provides Dropbox-style file sync with selective sync, file versioning and on-demand caching; Synology Photos handles AI-organised photo libraries with facial and object recognition; Hyper Backup covers off-site and cloud backups to S3, Backblaze B2 and other providers; Active Backup for Business backs up Windows, Mac and Linux clients, plus VMware, Hyper-V and Microsoft 365 / Google Workspace. Container Manager (Docker) and Virtual Machine Manager are both supported. For more on Synology’s ecosystem, our best Synology NAS guide covers the full range.
Networking & Throughput
The DS923+ ships with two 1GbE RJ-45 ports that can be link-aggregated for 2Gbps of theoretical throughput, plus a dedicated PCIe expansion slot that accepts Synology’s E10G22-T1-Mini 10GbE card — a worthwhile upgrade for buyers with 10GbE networks who want to saturate fast drives or NVMe caches. Real-world sequential transfers over a 10GbE link comfortably exceed 1GB/sec from a healthy RAID 5 array. SMB 3.0 and AFP are supported alongside NFS, iSCSI and WebDAV. Performance over standard 1GbE is essentially line-rate.
Use Cases — Plex / Backup / Files
For file serving and backup the DS923+ is a strong choice — it is the bread and butter of the unit, and DSM’s tooling is excellent. For Plex it is less ideal: the lack of an integrated GPU means software transcoding only, which works for direct-play but struggles when transcoding multiple streams; buyers who lead with Plex should consider a unit with an Intel iGPU or a Plex-friendly hardware-accelerated alternative — see our best NAS for Plex Media Server guide. For Active Backup workloads, virtual machine hosting and small-business file sharing, the DS923+ excels, especially with the 32GB of RAM in this bundle. For surveillance (Synology Surveillance Station) it is well suited too.
Verdict
At around $2,499 the Synology DS923+ in this 32GB/40TB bundle is a strong choice for buyers who want a polished, mature NAS platform that prioritises data integrity. ECC memory, BTRFS snapshots and DSM’s comprehensive backup tooling make it a sound long-term investment for important data. The CPU is not a powerhouse, and Plex transcoding is its main weakness, but for file serving, backup, business workloads and home server duties it is hard to fault. For a broader look at Synology models, see our best Synology NAS guide, or compare with QNAP rivals in our best QNAP NAS roundup.
On total cost of ownership the DS923+ also looks well — Synology hardware tends to hold its value over a 5-to-7-year service life, DSM updates are delivered for years after launch, and the BTRFS-snapshots-plus-Hyper-Backup combination has saved more than one administrator from a ransomware incident. Buyers comparing it with the newer DS925+ should weigh the PCIe 10GbE expansion option (DS923+ only) against the integrated dual 2.5GbE networking (DS925+ only); both are sensible designs for different buyers. For home users running Plex see our best NAS for Plex Media Server guide for hardware-accelerated alternatives, and for buyers needing more bays our best NAS for small business covers the larger DS1522+ and DS1621+.
Frequently Asked Questions
Does the Synology DS923+ support 10GbE networking?
Yes, via the optional Synology E10G22-T1-Mini PCIe add-in card. The DS923+ has a dedicated PCIe slot for it, and real-world throughput from a healthy RAID array comfortably exceeds 1GB/sec on 10GbE.
Is the Synology DS923+ good for Plex?
It works for Plex but is not the best choice. The AMD Ryzen R1600 has no integrated GPU, so all Plex transcoding is software-based — direct-play is fine, but transcoding multiple streams will struggle. Consider a unit with an Intel iGPU if Plex is your priority.
Does the DS923+ support ECC RAM?
Yes, and that is a major reason to choose it. The DS923+ accepts ECC DDR4 SODIMM memory up to 32GB, which detects and corrects single-bit memory errors and is well worth having for important data.
Can I expand the Synology DS923+ beyond 4 bays?
Yes. The DS923+ supports the Synology DX517 5-bay expansion unit, taking total raw capacity to 108TB with 18TB drives.
More NAS Reviews
- Synology DS925+ Review: 4-Bay NAS with 2.5GbE + 24TB Bundle
- Synology DS420+ Review: 4-Bay NAS with 1TB M.2 Cache + 6GB Bundle
- Synology DS224+ Review: 2-Bay NAS with 24TB Bundle (2026)
- Synology DS224+ 16TB Bundle Review: 2-Bay NAS Smaller Build
- Synology DS1520+ Review: 5-Bay 80TB Celeron 8GB NAS Bundle
- QNAP TS-873A Review: 8-Bay NAS with 2.5GbE + PCIe Gen3
- QNAP TS-1264U-RP Review: 12-Bay 1U Rackmount NAS
- TerraMaster U12-500 Plus Review: 12-Bay i7 Rackmount NAS
Affiliate Disclosure: As an Amazon Associate, we earn from qualifying purchases. If you click a link and make a purchase, we may earn a small commission at no extra cost to you. Prices and availability are accurate as of publication and may change.
Related Articles
Looking for more on this topic? Browse the hand-picked guides below — each one applies the same scoring rubric used in this review.
