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Synology DS925+ — Review & Specs | Pricepect | Pricepect

Home Cloud Storage DevicesSynology DS925+

Synology DS925+ — image 1

Synology

Synology DS925+

Expert Review Analysis

The Synology DiskStation DS925+ is a 4‑bay, diskless NAS powered by an AMD Ryzen V1500B quad‑core CPU, dual 2.5 GbE ports, and ECC‑enabled DDR4 memory expandable to 32 GB. It offers scalable storage up to 180 TB via a DX525 expansion unit, two M.2 NVMe slots for caching, and runs Synology DSM with extensive app support.

✓ Best for: Small businesses, home offices, and prosumer users who need reliable, expandable storage with data‑integrity features such as ECC RAM, and who plan to use DSM apps for backup, virtualization, surveillance, or tiered storage.✗ Not ideal for: Environments that require native 10 GbE networking out of the box, users who need maximum capacity without additional RAM upgrades, or those who prefer all bays included without purchasing a separate expansion unit.

Pros

✓AMD Ryzen V1500B quad‑core processor with up to 3.35 GHz boost delivers strong performance for small‑business workloads.
✓Dual 2.5 GbE ports with link aggregation provide faster network throughput than typical 1 GbE NAS devices.
✓

Price History

Current

$639.75

Average

$642.51

Lowest

$511.99

Highest

$703.99

0

Price trend (90d):-0.0%

Best Seller Rank History

Now#3Best#2Worst#6 +1

Lower = better sales rank

Rating Trend

Rating3.9/ 5Reviews92+58 reviews +0.70

Specifications

Design

ColorBlack

Height166 mm mm

Width199 mm mm

Length223 mm mm

Weight2260 g g

General

BrandSynology

ModelDS925+

Release Date2025-06-04

Warranty3 years

Network

Ethernet Ports2 x 2.5 GbE

Link AggregationSupported

Sequential Read Throughput522 MB/s MB/s

Sequential Write Throughput565 MB/s MB/s

Performance

ProcessorAMD Ryzen V1500B 4‑core/8‑thread

Base Clock Speed2.2 GHz GHz

Boost Clock Speed3.35 GHz GHz

Memory4 GB DDR4 ECC (expandable to 32 GB) GB

Maximum Memory32 GB DDR4 ECC GB

Ports

USB Ports2 x USB 3.2 Gen 1, 1 x USB Type‑C (expansion)

Power

Power Adapter100 W (100‑240V AC, 50/60 Hz) W

Power Consumption (idle)35 W W

Power Consumption (load)50 W W

Power Consumption (access)37.91 W W

HDD Hibernation Power12.33 W W

Storage

Drive Bays4 hot‑swappable 3.5" SATA HDD / 2.5" SATA SSD

Maximum Internal Capacity200 TB (with 32 GB RAM)

Maximum Volume Capacity (standard)108 TB

Maximum Internal Volumes32

M.2 Slots2 x 2280 NVMe (cache or storage pools)

Cooling

Fan Size and CountTwo 92 mm × 92 mm fans with Full‑Speed, Cool, and Quiet modes

Acoustics

Noise Level20.5 dB(A) at standard operating speed

Dimensions & Weight

Height6.54 Inches

Width7.83 Inches

Depth8.78 Inches

Weight4.9824471212 pounds

Research Sources

global.download.synology.com

nascompares.com

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User Reviews

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3.8

(80 reviews)

$639.75$639.990% off

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DS925+Black166 mm x 199 mm x 223 mm 3 Year

Cloud Storage Devices

ECC‑enabled 4 GB DDR4 RAM, expandable to 32 GB, ensures data integrity and future‑proof memory capacity.

✓Two M.2 2280 NVMe slots enable high‑speed caching or additional storage pools for tiered performance.

✓Scalable storage architecture allows expansion to nine bays (up to 180 TB raw) via the DX525 unit.

✓Quiet 20.5 dB(A) fan operation and low power draw (12 W HDD idle) make it energy‑efficient for home or office use.

✓Synology DSM operating system offers extensive apps for backup, virtualization, surveillance, and file sharing.

Cons

✗Only 2.5 GbE networking is native; there is no built‑in 10 GbE, requiring optional adapters for higher speeds.
✗Maximum storage capacity and performance for the largest volumes require the full 32 GB RAM upgrade, increasing total cost.
✗Expansion to nine bays relies on the separate DX525 unit, adding extra expense and a USB‑C connection rather than a direct internal bus.
✗Weight specifications vary across sources, leading to uncertainty about shipping weight and handling.
✗Power consumption can rise to around 50 W under load, which may be higher than some competing low‑power models.

From Expert Reviews

Praised by Experts

✓Professional reviewers highlight the rare inclusion of ECC memory at this price point, boosting data reliability.
✓Reviewers commend the sequential read/write speeds of 522 MB/s and 565 MB/s, outperforming many 4‑bay rivals.
✓Editors note the easy expansion path to nine bays without needing a rack‑mount chassis.
✓Critics appreciate the robust DSM app ecosystem for virtualization, surveillance, and tiered storage.

Criticized by Experts

✗Reviewers point out the lack of native 10 GbE, which could limit future high‑bandwidth applications.
✗Professional analysis mentions that the DX525 expansion connects via USB‑C, not a direct internal bus, potentially bottlenecking performance.
✗Some editors note that achieving the highest volume capacities (200 TB) requires the maximum RAM upgrade, increasing total cost.

From User Reviews

Users Love

✓Everyday users praise the quiet operation at just 20.5 dB(A), making it suitable for office environments.
✓Consumers appreciate the low idle power draw (around 12 W), resulting in reduced electricity bills.
✓Users like the ability to expand storage later with the DX525 unit, providing flexibility as data grows.
✓Home prosumers value the RAM expandability, allowing them to add up to 32 GB for demanding tasks.

Users Complain About

✗Customers report frustration that the DX525 expansion unit must be purchased separately for additional bays.
✗Some users mention inconsistent weight listings (2.26 kg to 3.4 kg), causing confusion during shipping and setup.
✗Everyday reviewers note that the lack of built‑in 10 GbE may require extra network hardware for high‑speed needs.

Expert Opinion

Professional reviewers consider the DS925+ a solid, future‑proof 4‑bay NAS for small businesses, emphasizing its ECC memory, strong Ryzen CPU, and fast 2.5 GbE networking. They appreciate the high sequential throughput and the straightforward path to expand to nine bays, while noting the absence of native 10 GbE and the reliance on a USB‑C‑connected expansion unit as minor drawbacks.

What Users Say

Everyday users generally commend the DS925+ for its quiet operation, low power consumption, and flexible expandability, especially the option to add NVMe caching. Common complaints revolve around the need to buy a separate DX525 expansion chassis and the lack of built‑in 10 GbE, as well as some confusion over the unit's exact weight.

Common Complaints

Need to purchase the DX525 expansion separately for additional bays, inconsistent weight specifications across sources, and the lack of built‑in 10 GbE networking.

How It Compares

vs. Synology DS923+

Advantages

✓DS925+ uses a faster AMD Ryzen V1500B CPU with higher boost clocks, delivering better performance.
✓Dual 2.5 GbE ports give higher native network throughput than the DS923+'s 1 GbE ports.

Disadvantages

✗Both models lack built‑in 10 GbE, but the DS923+ can add a 10 GbE card, whereas DS925+ relies on external adapters.
✗DS925+ requires a separate DX525 unit for expansion, similar to DS923+, adding extra cost.

Choose the DS925+ for superior CPU power and faster native networking; stick with the DS923+ if a lower price point is more important.

vs. QNAP TS-464

Advantages

✓DS925+ includes ECC‑enabled DDR4 memory, offering higher data integrity than the TS‑464's non‑ECC RAM.
✓The AMD Ryzen processor in the DS925+ provides stronger multi‑threaded performance than QNAP's Intel Celeron.

Disadvantages

✗TS‑464 offers optional native 10 GbE ports, whereas the DS925+ only has 2.5 GbE and needs adapters for 10 GbE.
✗QNAP's TS‑464 does not require a separate expansion chassis for additional bays, simplifying scaling.

Select the DS925+ when ECC memory and higher CPU performance are priorities; opt for the TS‑464 if native 10 GbE and simpler expansion are more critical.

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