Synology DS923+ 4-Bay DiskStation NAS - Ryzen, 8GB RAM — main product image

Synology DS923+ 4-Bay DiskStation NAS - Ryzen, 8GB RAM

Synology

Synology DS923+ 4-Bay DiskStation NAS - Ryzen, 8GB RAM

Name: Synology DS923+ 4-Bay DiskStation NAS - Ryzen, 8GB RAM
Brand: Synology
SKU: DS923+

★★★★★3.5 (7 reviews)

The Synology DS923+ pairs a Ryzen dual-core CPU with dual GbE and NVMe caching to deliver fast, scalable centralized storage for growing teams and power users.

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Overview

The Synology DS923+ is a 4-bay NAS built around an AMD Ryzen R1600 dual-core processor — a meaningful step up from the Intel Celeron and Atom platforms that dominate this category. What that processor difference translates to in real terms: hardware-accelerated AES encryption runs without measurable throughput loss, DSM's virtualization and containerization features (Docker, Virtual Machine Manager) have actual CPU headroom to work with, and multi-user simultaneous read/write workloads don't bottleneck at the NAS head. Paired with 8GB DDR4 RAM and dual M.2 NVMe SSD cache slots, the DS923+ is architected for workloads that need both capacity and responsiveness — backup targets that also serve as live project storage, media libraries with active editing access, or multi-site sync hubs.

The physical design is compact at 166 x 199 x 223mm and under 2.5kg without drives — rack-adjacent rather than rack-mounted. Connectivity covers the primary use cases: dual GbE for link aggregation or failover, USB 3.2 Gen 1 for direct-attach backup devices, and an eSATA port for the DX517 expansion shelf that takes the system to 9 bays. Synology's DSM 7 operating system is the platform's strongest asset — it's a mature, Linux-based NAS OS with years of active development, a broad package ecosystem, and a consistent update cadence. For IT administrators, creative studios, or home lab users who need centralized storage that grows with them rather than against them, the DS923+ offers a credible foundation without requiring enterprise-class infrastructure around it.

Specifications

Model Number

DS923+

Drive Bays

Processor

Ryzen

RAM

8GB

Pros & Cons

👍 Pros

The Ryzen R1600 handles AES-NI hardware encryption without a throughput penalty, so you can enforce encrypted volumes without sacrificing transfer speed on the wire.
Dual M.2 NVMe SSD cache slots dramatically reduce latency for hot data, making the DS923+ perform closer to a flash system for frequently accessed files.
eSATA expansion support allows the 4-bay enclosure to scale to 9 drives via a DX517 expansion unit — future-proofing the investment without replacing hardware.
DSM 7 (DiskStation Manager) is a mature, feature-rich OS with built-in RAID management, snapshot replication, Docker support, and a proven track record of long-term software updates.
Dual GbE with link aggregation support maximizes throughput to multiple simultaneous users on a managed network without requiring 10GbE infrastructure.

👎 Cons

The dual LAN ports are limited to 1GbE — users moving large media files regularly will feel the ceiling; a 10GbE PCIe expansion card is available but adds cost and requires the PCIe slot.
RAM is non-ECC, which is a limitation for workloads where data integrity at the memory level is critical — financial databases or medical archiving workflows should factor this in.
With four bays and drives loaded, the DS923+ generates audible fan and drive noise — it's not silent enough for an open office without enclosure or rack isolation.
The included 512GB NVMe SSD cache (256GB x2) is functional but modest; users with very large hot-data working sets may need to upgrade the cache drives to realize full latency benefits.

Frequently Asked Questions

What does the AMD Ryzen R1600 processor actually improve over Atom-based NAS alternatives?

The R1600 runs at 2.6 GHz (3.1 GHz boost) with a 64-bit architecture and hardware AES encryption acceleration. In practice, this means encrypted file transfers to/from the DS923+ run at near-wire speeds rather than being CPU-throttled — a bottleneck that cripples lower-tier NAS units when encryption is enabled. Transcoding, virtual machine operation, and multi-user simultaneous access also benefit meaningfully.

How do the M.2 NVMe SSD slots factor into storage performance?

The two M.2 PCIe slots don't add directly usable storage — they function as SSD cache for the HDD array. An NVMe read/write cache dramatically reduces latency for frequently accessed files and random I/O workloads. In a media production or database context, this closes the gap between spinning-disk capacity and the responsiveness you'd expect from an all-flash system.

Can I expand beyond 4 bays as data grows?

Yes. The DS923+ supports Synology's DX517 5-bay expansion unit via the eSATA port, bringing the total raw bay count to 9. That expansion path means the initial 4-bay investment doesn't become obsolete as storage needs grow — you add capacity without replacing the NAS head unit.

Does the 8GB RAM support ECC and can it be upgraded?

The DS923+ ships with 8GB DDR4 non-ECC RAM. Synology officially supports expansion to 32GB via compatible modules. Non-ECC is appropriate for most SMB and prosumer workloads; if bit-flip protection is a hard requirement for your use case, evaluate Synology's ECC-capable units instead.

How does link aggregation work on the dual GbE ports?

The two RJ-45 1GbE ports support 802.3ad LACP link aggregation through a compatible managed switch, delivering up to 2 Gbps aggregate throughput across multiple simultaneous clients. They also support failover mode for high-availability configurations where uptime matters more than raw bandwidth.