Synology

Synology DS925+ 4-Bay Diskless NAS DiskStation

Dual 2.5GbE networking and up to 565 MB/s write speeds make the DS925+ a fast four-bay foundation for a private storage hub

$700.00*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 22, 2026.Price and availability are subject to change.

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Overview

The Synology DiskStation DS925+ is a four-bay NAS that arrives without drives, positioning it as a platform you configure rather than a plug-and-play appliance. Its appeal centers on two things: networking and software. Dual 2.5GbE ports lift it above the gigabit ceiling most consumer NAS units settle for, and they can be teamed for redundancy or throughput. Synology quotes sequential speeds of up to 522 MB/s read and 565 MB/s write, figures that suggest smooth handling of large transfers and scheduled backups. It suits enthusiasts consolidating media, and small offices that need a dependable shared store.

Ownership revolves around DiskStation Manager, Synology's operating system, which consolidates file and photo management, data protection, virtualization, and surveillance tools into one interface instead of scattering them across separate apps. That breadth is the practical draw. The tradeoff is commitment: drives must come from Synology's official compatibility list, so factor that constraint into planning before buying. Four bays give room to start modest and scale later. A 3-year limited hardware warranty rounds out the package, signaling that this unit is meant for sustained, long-term duty rather than occasional use.

Key Features

Supports drives on the model's official compatibility list

Up to 522/565 MB/s sequential read/write throughput supports stable data transfers.

Dual 2.5GbE ports provide fast network transfer speeds and increased redundancy.

Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions.

Backed by Synology's 3-year limited hardware warranty.

Specifications

Brand
Synology
Model
DiskStation DS925+
Drive Bays
4
Drive Configuration
Diskless (drives sold separately)
Drive Compatibility
Synology official compatibility list
Sequential Read
Up to 522 MB/s
Sequential Write
Up to 565 MB/s
Network Ports
Dual 2.5GbE
Software
File, photo, data protection, virtualization, and surveillance tools
Warranty
3-year limited hardware warranty

Frequently Asked Questions

No. The DS925+ ships diskless, so you supply your own drives. Synology requires that they come from its official compatibility list for the model.
It includes dual 2.5GbE ports, which exceed standard gigabit speeds. You will need a compatible 2.5GbE switch or adapter to take full advantage of them.
Synology rates it at up to 522 MB/s sequential read and 565 MB/s sequential write, throughput intended to keep large transfers and backups running smoothly.
Through Synology's software it handles file sharing, photo management, data protection, virtualization, and surveillance, all managed from a single platform.
The dual ports provide faster network transfers and can be configured for redundancy, keeping the connection alive if one link fails.
Synology backs the unit with a 3-year limited hardware warranty.