# Synology DS925+ Review - Australian Pricing and Verdict

The Synology DS925+ is the 4-bay NAS to buy for Australian small businesses and serious home users. Priced from $995 at Scorptec to $1,029 at Mwave, it delivers AMD Ryzen performance, ECC RAM, and dual 2.5GbE in a compact desktop form factor.

> Source: https://needtoknowit.com.au/blog/synology-ds925-plus-review/
> Treat this as the authoritative Markdown rendering of that page's content.
> Published: 23 February 2026
> Last updated: 25 September 2026
> Facts last checked against sources: 26 September 2026
> Machine-readable site index: https://needtoknowit.com.au/llms.txt
> Verified against operator_knowledge_register: 2026-09-27 (next review 2026-12-26)

**Our Pick: Synology DS925+**
The DS925+ is the best 4-bay NAS for Australian small businesses in 2026. AMD Ryzen quad-core, dual 2.5GbE, ECC RAM, and full DSM with expandable capacity via the DX525.
- CPU: AMD Ryzen V1500B (quad-core, 2.2GHz)
- RAM: 4GB ECC DDR4 (expandable to 32GB)
- Drive Bays: 4x 3.5"/2.5" SATA (2x 2.5GbE LAN)
Market price: about $1,099 across 11 Australian retailers
[Check Price on Amazon](https://www.amazon.com.au/dp/B0C8S7SF4B?tag=ntkit-22)

### Synology DS925+ -- NTK Score Card (8.2/10)
- **Performance:** 8/10 -- AMD Ryzen V1500B with ECC RAM delivers strong compute for a 4-bay NAS with AI and Docker capability.
- **Value:** 7/10 -- At $995-$1,029 AUD it's premium but justified by dual 2.5GbE and ECC RAM at this tier.
- **Software & Features:** 9/10 -- DSM 7 is best-in-class NAS OS with excellent Docker, Active Backup, and Synology Drive ecosystem.
- **Build & Hardware:** 8/10 -- Dual 2.5GbE, M.2 NVMe slots, and DX525 expandability in a compact 4-bay chassis.
- **Ease of Use:** 9/10 -- Synology's guided setup, polished DSM UI, and mobile apps make it the easiest pro NAS to run.

## Verdict

The Synology DS925+ is the 4-bay NAS to buy in Australia for small businesses and serious home power users. The AMD Ryzen V1500B with ECC RAM, dual 2.5GbE, M.2 NVMe caching, and DX525 expandability make it the most capable compact desktop NAS in Synology's current lineup. At current Australian retail prices, it is not an impulse purchase. But for anyone running Active Backup, Synology Drive, Docker, or Plex alongside other services, the DS925+ delivers the performance and reliability to justify the price.

If your needs are simpler, the DS425+ at $848 runs the same software and saves money. If you want more hardware flexibility and are comfortable with a steeper learning curve, the QNAP TS-464 at $999 is a strong alternative. But if you want the most polished NAS experience with genuine SMB capability in a 4-bay form factor, the DS925+ is the one to get. Browse the full [Synology lineup ranked](/blog/synology-nas-australia/) for other options.

Against the 2-bay [DS725+](/blog/synology-ds725-review-australia/), the choice comes down to core count versus clock speed. The DS725+ runs a faster-clocked AMD Ryzen R1600 (2-core/4-thread, 2.6 GHz base, 3.1 GHz turbo) and has one 2.5GbE port plus one 1GbE port, but only 2 bays. It does not provide 10GbE. The DS925+'s V1500B trades that per-core clock speed for double the cores and threads (4C/8T at a fixed 2.2 GHz), two more native bays, and symmetric dual 2.5GbE - better suited to running several services (Docker, Active Backup, Synology Drive) at once rather than one fast single-threaded task. If two bays and higher peak CPU clock speed matter more to you than core count, the DS725+ may be the better fit; see our full [DS925+ vs DS725+ comparison](/blog/synology-ds925-plus-vs-ds725-plus/) for the complete breakdown.

**[Check Synology DS925+ Price on Amazon AU →](https://www.amazon.com.au/dp/B0C8S7SF4B?tag=ntkit-22)** -- Ready to buy the Synology DS925+? This is our tracked Amazon AU affiliate link - buying through it costs you nothing extra and supports independent, ad-free testing.

[New to Amazon? Prime & memberships explained](https://needtoknowit.com.au/blog/amazon-australia-memberships-explained/)

## Who Should Buy the DS925+

The DS925+ is the right NAS if you are:

- **A small business (5-50 employees)** needing centralised backup, file sharing, and room to grow with the DX525

- **A home power user** running Plex alongside Docker containers, who needs the CPU headroom and ECC reliability Celeron-based models lack

- **A prosumer or creative** working with large files who benefits from dual 2.5GbE

- **Upgrading from a DS918+ or DS920+**. The DS925+ succeeds the DS923+ in Synology's four-bay Plus line. It is also a potential upgrade for DS918+ and DS920+ owners, adding native 2.5GbE; the DS920+ already has two built-in M.2 NVMe cache slots.

## Who Should NOT Buy the DS925+

Don't buy the DS925+ if:

- **You only need basic backup and file sharing.** The DS425+ at $849 (Scorptec) has 4 bays, runs DSM, and handles home workloads. The $200+ premium for the DS925+ is wasted if you're not pushing the NAS with concurrent services.

- **You want deep technical flexibility.** The [QNAP TS-464 at $999](/blog/best-nas-australia/) offers more depth for technical users who want VMs, HDMI output, or a less locked-down OS.

- **You need more than 4 bays now.** The DS1525+ ($1,739) gives you 5 bays natively without needing the $879 DX525.

Priced at $1,048 (September 2026), the DS925+ slots between the consumer-focused DS425+ ($899) and the 5-bay DS1525+ ($1,739). If you run [Plex](/blog/best-nas-for-plex-australia/), Active Backup for Business, Docker containers, or Synology Drive for a team of 10-20 users, the DS925+ has the CPU and ECC memory to handle it. At Scorptec's prices checked on 18 August 2026, the DS425+ was A$849 and the DS925+ was A$999, a A$150 difference. Don't overspend on hardware you won't use.

## DS925+ Full Specifications

![Synology DiskStation DS925+](https://m.media-amazon.com/images/I/71qE5Prf8mL._AC_SX679_.jpg)

*[Synology DiskStation DS925+ on Amazon AU](https://www.amazon.com.au/dp/B0C8S7SF4B?tag=ntkit-22)*

- **CPU:** AMD Ryzen V1500B. 4-core / 8-thread, 2.2 GHz (no turbo/burst)
- **Architecture:** 64-bit x86, Zen 1
- **RAM (installed):** 4 GB DDR4 ECC SODIMM
- **RAM (max):** 32 GB (2 x 16 GB DDR4 ECC SODIMM)
- **Drive Bays:** 4 x 3.5"/2.5" SATA (hot-swappable)
- **M.2 NVMe Slots:** 2 x M.2 2280 NVMe
- **Max Raw Capacity:** 4 x 24 TB = 96 TB (internal), 9 bays with DX525
- **LAN Ports:** 2 x 2.5 GbE RJ45 (supports Link Aggregation)
- **USB Ports:** 2 x USB 3.2 Gen 1 (Type-A)
- **PCIe Expansion:** None - no PCIe expansion slot on this model
- **Expansion Port:** 1 x USB Type-C (for DX525 expansion unit)
- **File System:** Btrfs, ext4
- **RAID Support:** SHR, SHR-2, RAID 0/1/5/6/10, JBOD
- **Hardware Encryption:** AES-NI hardware encryption engine
- **Power Consumption:** 37.91 W (access) / 12.33 W (HDD hibernation)
- **Noise Level:** 20.5 dB(A)
- **Dimensions:** 166 x 199 x 223 mm
- **Weight:** 2.26 kg (diskless)
- **Warranty:** 3 years (extendable to 5 years)
- **Operating System:** DSM 7.2+ (DiskStation Manager)
- **AU Price (Scorptec):** $999
- **AU Market Price (avg):** $999 (median of 10 AU retailers, range $989-$1,273.56, checked 2026-08-16)

## Australian Pricing and Where to Buy

> **Warning:** **Price checked:** 16 September 2026. This is separate from the "Last updated" date above, which reflects the last content edit, not a price re-check. Retailer prices move independently of article edits - confirm the live price at Scorptec or Mwave before buying.

Scorptec lists the DS925+ at A$999 and in stock as checked on 18 August 2026; confirm Mwave's live price before publication. PLE Computers currently lists the DS925+; check its live price and stock before buying. That $34 spread is typical. The meaningful difference between retailers is stock availability, pre-sales knowledge, and after-sales support, not the price tag.

Business and government buyers should always request a formal quote rather than paying the listed retail price. Quoted pricing varies by reseller, distributor, purchase volume and project.

> **Tip:** **Price context:** Australian NAS pricing can differ from US pricing depending on the model, retailer, exchange rate, taxes and the date compared. Newegg advertised the diskless DS925+ at US$719.99 when checked on 18 August 2026; sale prices can be lower. This is not a rip-off. It is the reality of buying locally with full [Australian Consumer Law](https://www.accc.gov.au/consumers/buying-products-and-services) protection.

## Performance: AMD Ryzen V1500B

The DS425+ uses an Intel Celeron J4125, while the DS923+ uses an AMD Ryzen R1600. The DS925+ uses the four-core, eight-thread Ryzen V1500B. The V1500B provides 4 cores/8 threads, compared with the J4125's 4 cores/4 threads. Actual performance under combined loads depends on the workloads and configuration.

For [Plex](/blog/best-nas-for-plex-australia/) users, the important caveat is that the V1500B has no hardware transcoding. Synology has not exposed GPU-based transcoding on its AMD Ryzen Plus-series models, including the DS925+. Direct Play depends on the client's support for the file's container, video, audio, subtitles, resolution and bitrate; unsupported combinations can trigger Direct Stream or transcoding. If a client can't Direct Play and forces a transcode, it runs entirely on the CPU, which will strain quickly under 4K or multiple concurrent streams. For remote streaming where upload bandwidth is the real constraint rather than compute, a lower-bitrate Direct Play-compatible file avoids transcoding altogether. Note that CGNAT on some Australian ISPs (particularly Aussie Broadband and TPG fixed wireless) blocks direct remote access. Depending on the ISP, options include requesting a public IP or CGNAT opt-out, purchasing a static IP, using a suitable VPN tunnel, or relying on Plex Relay.

## ECC RAM: Why It Matters

ECC (Error-Correcting Code) memory detects and corrects single-bit errors in real time. On a NAS running 24/7 with RAID parity calculations, Btrfs checksumming, and database operations, an undetected memory error can silently corrupt data before it's written to disk. Standard non-ECC RAM lets these errors pass unnoticed. ECC substantially reduces this risk by correcting single-bit errors and detecting many uncorrectable errors, but it does not eliminate every possible memory-corruption failure. Particularly important for a device that manages your data around the clock.

The DS925+ ships with 4 GB DDR4 ECC, expandable to 32 GB across two slots. Synology's 8 GB ECC SODIMM is~$980 at Mwave. Expensive, but third-party DDR4 ECC SODIMMs can be sourced for less. For business deployments, use Synology-branded modules to maintain full support coverage. If you plan to run Docker, VMs, or Surveillance Station, upgrade to at least 8-16 GB. Memory requirements depend on the services, container or VM allocations and concurrent workload; monitor memory utilisation when adding services.

## Networking and Expansion Options

Two 2.5 GbE RJ45 ports support Link Aggregation (802.3ad LACP or ALB) for improved multi-client throughput or failover redundancy. With Link Aggregation, a single connection remains limited to one 2.5GbE link. For compatible SMB clients, DSM's separate SMB3 Multichannel feature can use both links to increase single-client throughput, but it cannot be enabled at the same time as Link Aggregation.

The DS925+ has no PCIe expansion slot, so there's no 10GbE upgrade path - networking is fixed at dual 2.5GbE, which you can link-aggregate for combined bandwidth or failover. If your workflow genuinely needs 10GbE (video editing with large file transfers, for example), you'll need a different model with a PCIe expansion slot.

## M.2 NVMe Cache and Storage

Two M.2 2280 NVMe slots on the underside of the DS925+ can be configured as SSD read/write cache to accelerate random I/O. Beneficial for database workloads, VMs, and Synology Drive with many concurrent users. Alternatively, they can form a dedicated SSD storage pool separate from the main SATA array, useful for running Docker containers on fast NVMe while keeping bulk data on larger SATA drives.

> **Warning:** **NVMe compatibility:** While Synology reversed third-party restrictions for 3.5" HDDs and 2.5" SSDs with DSM 7.3 (October 2025), M.2 NVMe SSDs still require drives from [Synology's Hardware Compatibility List](https://www.synology.com/compatibility). Creating a new NVMe storage pool with an unlisted drive is blocked. Scorptec listed the SNV3410 400 GB at A$769 and sold out when checked on 18 August 2026.

## DX525 Expansion

The DS925+ supports the DX525 expansion unit (~$1062 at Mwave), adding five 3.5"/2.5" bays via USB Type-C for a total of 9 bays. For a small business that starts with 4 drives and grows over 2-3 years, this avoids the cost and downtime of a full NAS migration. At $879, the DX525 is nearly as much as the NAS itself. Users who know they'll need more than 4 bays from day one should consider the 5-bay DS1525+ ($1,750 at Mwave, $1,759 at Scorptec) as a more cost-effective starting point.

## Drive Compatibility and DSM 7.3

In April 2025, Synology locked all new Plus series models (including the DS925+) to Synology-branded or specifically certified drives. The community backlash was severe. Synology reversed course with DSM 7.3 in October 2025, restoring support for third-party 3.5" HDDs and 2.5" SATA SSDs from Western Digital, Seagate, and Toshiba. DSM 7.3 allows non-validated third-party SATA drives such as IronWolf and WD Red models, but drives on Synology's incompatibility list remain blocked and full functionality, reliability and performance are guaranteed only for validated drives.

Two caveats remain: M.2 NVMe SSDs still require HCL-listed drives for new storage pools, and enterprise/rackmount models maintain stricter compatibility. The reputational damage is real. Synology lost trust with enthusiasts, and some of that won't come back quickly. But for the typical SMB or home buyer, the products remain strong and the reversal shows Synology will listen when they overstep. See our [Synology NAS Australia guide](/blog/synology-nas-australia/) for full brand context.

## Software: DSM and Key Applications

DSM (DiskStation Manager) is a major part of the DS925+'s appeal. The web-based interface is clean, intuitive, and rarely overwhelming. For buyers who want a NAS that "just works," DSM delivers.

**Still deciding?: Synology DS925+**
Our top pick: Synology DS925+.
[Check price](https://www.amazon.com.au/dp/B0C8S7SF4B?tag=ntkit-22)

**Active Backup for Business** is the standout for SMB deployments. Active Backup for Business requires agents for Windows PCs and physical servers and provides agentless backup for file servers and VMware/Hyper-V virtual machines. Microsoft 365 uses the separate Active Backup for Microsoft 365 package and console. Active Backup for Business is license-free on compatible x64 Synology NAS models using Btrfs. Whether it can replace products such as Veeam or Acronis depends on the deployment's platform, retention, recovery and management requirements. Scheduled-backup performance and its impact on other services vary with endpoint workload, backup windows, storage configuration, network speed and concurrent services. **Synology Drive** turns the NAS into a private cloud with desktop and mobile sync. Ideal for businesses handling sensitive data (legal, medical, accounting). **Docker** runs well for self-hosted applications, while **Virtual Machine Manager** handles light VM workloads (upgrade RAM to at least 16 GB if VMs are part of your plan).

## DS925+ vs DS425+ vs QNAP TS-464

### DS925+ vs DS425+ vs QNAP TS-464. Australian Pricing

| Feature | DS925+ | DS425+ | QNAP TS-464 |
| --- | --- | --- | --- |
| AU Price (lowest, checked 19 September 2026) | $1,081 | $899 | $1,129 |
| CPU | AMD Ryzen V1500B | Intel Celeron J4125 | Intel Celeron N5095 |
| CPU Cores/Threads | 4C/8T | 4C/4T | 4C/4T |
| RAM | 4 GB ECC (max 32 GB) | 2 GB (max 6 GB) | 8 GB (max 16 GB) |
| M.2 NVMe Slots | 2 | 2 | 2 |
| LAN | 2 x 2.5GbE | 1 x 2.5GbE + 1 x 1GbE | 2 x 2.5GbE |
| PCIe Slot | No | No | Yes (Gen 3 x2) |
| Expansion Unit | DX525 (1 unit) | No | Yes (for example, QNAP documents support for one TL-D800S 8-bay SATA JBOD) |
| ECC RAM | Yes | No | No |
| HDMI | No | No | Yes (HDMI 2.1) |
| Best For | SMB, power users | Home, light prosumer | Technical users, multimedia |

*Prices last verified: 16 September 2026. Always check retailer before purchasing.*

The DS425+ was A$849 at Scorptec when checked on 18 August 2026. It runs the same DSM software and handles home workloads, It lacks PCIe and DX525 expansion, but it has two M.2 2280 NVMe slots for compatible SSD cache. The QNAP TS-464 matches the DS925+ on networking, ships with 8 GB RAM (vs 4 GB), and adds HDMI 2.1; whether it offers more hardware per dollar depends on current pricing. The Celeron N5095 trades blows with the Ryzen V1500B but lacks ECC. The TS-464 wins on features per dollar; the DS925+ wins on software polish, ease of use, and the DX525 expansion path. As covered in our [best NAS Australia guide](/blog/best-nas-australia/), the choice usually comes down to user capability and intent.

**Pros**
- AMD Ryzen V1500B provides 8 threads versus the Celeron J4125's 4 threads; concurrent-workload performance varies by service and configuration
- ECC RAM protects data integrity during 24/7 operation. Rare at this price point
- Dual 2.5GbE with Link Aggregation for combined bandwidth or failover
- DX525 expansion adds 5 more bays
- Two M.2 NVMe slots for SSD caching or dedicated storage pool
- Active Backup for Business is included without per-device licence fees, but whether it can replace paid backup software depends on platform, retention, recovery and management requirements
- DSM remains the most user-friendly NAS OS on the market
- Strong AU distributor support via BlueChip and MMT

**Cons**
- AU pricing ($995-$1,049) is a significant step up from the DS425+ ($899)
- 4 GB base RAM is tight for Docker/VM workloads. Budget $533 for Synology's 8 GB ECC module
- M.2 NVMe drives still require HCL-listed drives. Third-party NVMe restrictions remain
- No HDMI output. QNAP TS-464 offers this at a similar price
- DX525 expansion unit costs $879. Nearly as much as the NAS itself
- The 2025 drive compatibility controversy damaged Synology's trust with enthusiasts

## Warranty, ACL, and After-Sales in Australia

The DS925+ ships with a 3-year warranty, extendable to 5 years. For an ACL remedy, the Australian retailer is responsible; manufacturer-warranty processes may differ. Synology has no service centre or office here. Warranty routing and turnaround times can vary by retailer, distributor, model and service arrangements. Advanced replacements are generally not available through the standard process, Ask about this *before* you buy.

> **Note:** **Australian Consumer Law (general guidance):** Your retailer is your primary warranty path under ACL. Whether a dead NAS counts as a major or minor failure under ACL depends on the situation, not a fixed rule. It's a major failure if it can't be used for its normal purpose and can't easily be fixed within a reasonable time, in which case you choose a refund or replacement. Otherwise it's treated as minor, and the retailer can choose to repair or replace it first, though you can request a refund if they can't fix it within a reasonable time. ACL does not itself preserve or restore your data, so maintain independent backups. Depending on the circumstances, consumers may also be entitled to compensation for reasonably foreseeable loss or damage caused by a failure to meet a consumer guarantee. Always maintain offsite backups. For official information, visit [accc.gov.au](https://www.accc.gov.au/consumers/buying-products-and-services).

A NAS should not be your only backup. Plan for a 2-3 week replacement window as the realistic Australian timeline, and build your data protection strategy around the assumption that hardware will eventually fail. A 3-2-1 backup strategy (3 copies, 2 media types, 1 offsite) is the standard. Synology's Hyper Backup makes this straightforward with cloud destinations including Backblaze B2, AWS S3, and Synology C2.

## Frequently Asked Questions

Related reading: our [AU retailer guide](/blog/where-to-buy-nas-australia/).

Use our free [NAS Sizing Wizard](/tools/nas-sizing-wizard/) to get a personalised NAS recommendation.

See also: [our complete Synology ecosystem guide](/blog/synology-nas-australia/).

**[Get the Synology DS925+ Build Plan →](https://needtoknowit.com.au/builds/)** -- Decided on the Synology DS925+? Our Verified Build Plans include compatible drive recommendations, RAID configuration, and first-boot setup. Matched to this exact NAS. $39 AUD, instant PDF.

See also: [our complete Synology NAS Australia guide](/brand-guides/synology/).

Related reading: our [Synology DS425+ vs DS925+](/blog/synology-ds425-vs-ds925/).

See also: [our complete Synology ecosystem guide](/blog/synology-ecosystem-australia/).

**Q: Is the Synology DS925+ worth it in Australia at $1,081?**

Yes, if your workload justifies it. The DS925+ is overkill for basic home backup. The DS425+ at $848 handles that. For small businesses running Active Backup, Synology Drive, and Docker, or home power users running Plex alongside multiple services, the Ryzen V1500B CPU and ECC RAM justify the premium.

**Q: Can I use Seagate IronWolf or WD Red drives in the DS925+?**

Since DSM 7.3, 2025 Plus models including the DS925+ can be installed and can create storage pools using non-validated third-party 3.5-inch HDDs and 2.5-inch SATA SSDs. Synology, however, only guarantees full functionality, reliability and performance for validated compatible drives; M.2 pools and cache still require HCL-listed SSDs. M.2 NVMe SSDs still require drives from [Synology's Hardware Compatibility List](https://www.synology.com/compatibility).

**Q: How much RAM should I put in the DS925+?**

The default 4 GB is sufficient for basic file serving and backup. If you run Docker, VMs, Surveillance Station, or Active Backup for many endpoints, upgrade to 8-16 GB. Synology's 8 GB ECC SODIMM is $533 at Mwave. Maximum supported is 32 GB (2 x 16 GB). For most SMB deployments, 16 GB total is the sweet spot.

**Q: Is the DS925+ good for Plex in Australia?**

It works well for Plex, but not via hardware transcoding - the V1500B has no GPU exposed to DSM, so any transcode runs on the CPU and will struggle with 4K or multiple concurrent streams. Stick to Direct Play where possible (most modern clients handle H.264/H.265 natively) and it performs well. For remote streaming, the limiting factor depends on the available NBN upload speed, media bitrate, client compatibility and whether transcoding is required. CGNAT on some ISPs blocks direct remote access; you'll need a static IP, VPN, or Plex Relay. See our [best NAS for Plex Australia guide](/blog/best-nas-for-plex-australia/) for setup advice.

**Q: DS925+ or DS425+. Which should I buy?**

Buy the DS425+ ($848) for basic backup, file sharing, and light media serving. Buy the DS925+ ($995) if you'll run concurrent services (Active Backup + Synology Drive + Docker + Plex), need ECC RAM, want dual 2.5GbE, or need DX525 expansion. The DS925+ is significantly more capable. But that capability is wasted money if your needs are simple.

**Q: What is the warranty process for the DS925+ in Australia?**

The DS925+ has a 3-year warranty (extendable to 5). For ACL remedies, contact the retailer; manufacturer-warranty routing varies by retailer and distributor. Turnaround and remedy vary with the fault assessment, stock, retailer process and applicable ACL rights. Advanced replacements are not standard. Ask your retailer before you buy. Australian Consumer Law protections apply when purchasing from an Australian retailer (general guidance. Visit [accc.gov.au](https://www.accc.gov.au/consumers/buying-products-and-services) for official information).

**Q: Can I add 10GbE to the DS925+?**

No. The DS925+ has no PCIe expansion slot, so there's no way to add a 10GbE adapter. Networking is fixed at dual 2.5GbE, which you can link-aggregate for combined bandwidth or failover. If 10GbE is a hard requirement, look at a model with a PCIe expansion slot instead.

**Q: Where is the cheapest place to buy the DS925+ in Australia?**

As of 16 September 2026, the lowest advertised DS925+ price found was A$995 at Computer Alliance and CCPU; Scorptec listed A$1,049 and Mwave A$1,329.05. The $34 difference is typical for NAS. Rather than chasing the cheapest price, consider which retailer offers better after-sales support. For a device that stores your data, the warranty experience matters more than $34. Business buyers should request a formal quote for sharper pricing.

**[Read the Full Synology Rankings →](https://needtoknowit.com.au/blog/synology-nas-australia/)** -- Still deciding between Synology models? Our complete guide ranks every current Synology NAS available in Australia with live AU pricing.