Synology DiskStation DS225+

Synology DiskStation DS225+

Two-bay Synology NAS with a Celeron J4125, one 2.5 GbE port and DSM for home backup and file sharing.

  • 2
  • Intel Celeron J4125
  • 2 GB
  • 2.5 GbE

PCPR score

7.3

Good

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R1

The short version

The DS225+ is Synology's 2-bay DiskStation, pairing an Intel Celeron J4125 and 2 GB of DDR4 with one 2.5 GbE port, one Gigabit port and two USB 3.2 Gen 1 ports, running DSM. Synology rates it at over 282 MB/s read and 217 MB/s write with up to 40 TB of raw storage. It suits home backup, photo libraries and light file sharing. There are no M.2 slots, memory tops out at 6 GB, and drives should be checked against Synology's compatibility list.

Pros

  • DSM software with backup, photo and surveillance apps
  • One 2.5 GbE port plus one Gigabit port
  • Three-year warranty, extendable to five years
  • Compact 1.3 kg two-bay chassis with USB Copy

Cons

  • No M.2 slots for SSD cache
  • Only 2 GB of memory, with a 6 GB maximum
  • Only one port is faster than Gigabit
  • No HDMI output

Best for

  • Home backup and photo storage
  • Buyers already using Synology apps

J3

Full specifications

Core

Drive bays
2
Processor
Intel Celeron J4125

Memory

Memory
2 GB

Expansion

M.2 cache slots
0

Connectivity

Fastest network
2.5 GbE

Ports & I/O

HDMI output
No

Software

Operating system
DSM

Compatibility notes

  • Synology limits warranty and technical support if non-Synology memory modules are used.
  • Check Synology's compatibility list before buying drives.
  • The 1GbE port has an MTU limit of 1500 according to Synology.

P1

Where to buy

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AV1

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R9

Common questions

Does the DS225+ have M.2 slots?

No. Synology lists two SATA drive bays and no M.2 slots, so SSD caching is not available on this model.

How fast is the DS225+ network connection?

It has one 2.5 GbE port and one Gigabit port. Synology rates it at over 282 MB/s read and 217 MB/s write.

Can the DS225+ memory be upgraded?

Yes, to a maximum of 6 GB (2 GB plus a 4 GB module), but Synology limits support for non-Synology memory modules.

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