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Synology DS925+: 4 SATA bays, empty in the diskless enclosure.ENCLOSURE / SATA DRIVE PLANEmptyBayEmptyBayEmptyBayEmptyBay4 SATA bays · drives are purchased separately
SATA bay diagram · schematic, not physical scale2 separate M.2 slots; excluded from this SATA plan.

Empty bays do not store files. The enclosure and the drives are separate purchases. Check the maker’s drive and firmware compatibility list.

Selected enclosureKnow what is included

Synology DS925+

AMD Ryzen V1500B

✓ NAS enclosureDrives sold separately
SATA bays
4
Installed RAM
4 GB
Fastest Ethernet
2.5 Gbps

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The enclosure is only the beginning.

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Source specs & exact version

Synology DiskStation DS925+ 4-Bay NAS

DS925+, 4 GB ECC memory, diskless

Recorded model: DS925+

Specifications checked 2026-11-02.

Processor
AMD Ryzen V1500B, 4 cores / 8 threads, 2.2 GHz
Integrated graphics (AMD)
None: AMD's V1000 family brief lists 0 GPU compute units for the V1500B
Memory
4 GB DDR4 ECC SODIMM; 2 slots; up to 32 GB (16 GB x 2)
Drive bays
4x 3.5-inch SATA HDD or 2.5-inch SATA SSD, plus 2x M.2 2280 NVMe SSD slots
Network
2x 2.5GbE
Third-party drives (Synology, DSM 7.3)
Synology's 2025 Plus models running DSM 7.3 accept third-party drives for installation and storage pools; M.2 storage pools and cache still need drives on Synology's compatibility list
Volume capacity qualification
Maximum single volume: 108 TB, or 200 TB with at least 32 GB of memory. Actual pool and volume limits depend on drives, bay count and RAID; filesystem and metadata reduce usable capacity.

Raw capacity is before RAID and formatting. The example does not establish drive compatibility.

Drive planning and software explained →

Photo credit: manufacturer image source ↗

Specifications explain hardware limits. No performance tests are claimed.

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Maker specifications describe the recorded model and package. Missing measurements are labeled “Not recorded”.

Specification
Synology DiskStation DS925+ 4-Bay NAS
Synology DS925+
Fastest wired port2.5 Gbps
Drive bays4 bays
RAM4 GB
ProcessorAMD Ryzen V1500B
Best forBackups, Home office, Homelab, Media server
Sources

Specifications checked November 2, 2026

View 5 sources
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