Synology DiskStation® DS925+ Enterprise 4-Bay NAS Server Bundle 32 TB (4×8 TB)
Quad-core Ryzen, ECC memory expandable to 32 GB and two NVMe slots for cache: enough to take on heavy projects. The four Synology drives are already in the bays, expandable to nine.
4 Synology drives included, optimised for continuous operation
4 drive bays, expandable to 9 with a DX525 unit
AMD Ryzen V1500B quad-core 2.2 GHz
4 GB of DDR4 ECC memory, expandable to 32 GB
2 M.2 NVMe slots for a fast SSD cache
2 network ports at 2.5 GbE with aggregation and failover
RAID 5, 6 and 10: work continues even if one drive fails
Sequential throughput up to 522 MB/s read and 565 MB/s write
Hot-swappable drives
Automatic backup of workstations, servers and virtual machines
Synology Drive private cloud for internal and external collaboration
32 TB and ECC memory: the DiskStation DS925+ for large volumes and critical data.
Large projects, archives and server backups all fit on a single machine, expandable to nine drives when space runs short. Two 2.5 GbE ports and an optional SSD cache to cope with several simultaneous users.
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Frequently asked questions about this product
What does ECC memory bring to the DS925+ compared with an ordinary NAS?
It corrects memory errors that would otherwise alter a file without any warning. On heavy projects and long-term archives, it is the difference between a faithful copy and silent corruption. It can be expanded from 4 to 32 GB.
Are drives included in the DS925+ Enterprise 32 TB bundle?
Yes, four 8 TB Synology drives, already fitted in the bays and designed for continuous operation. You plug it in and create the user accounts: no drives to order, nothing to fit.
How far can the DS925+ grow once 32 TB is no longer enough?
Up to nine drives, with a DX525 expansion unit sold separately — up to 180 TB raw depending on the drives chosen. You expand without replacing the NAS or rebuilding existing volumes.
What transfer speeds does the DS925+ reach?
Up to 522 MB/s sequential read and 565 MB/s sequential write — well above other four-bay desktop NAS units. The figures come from lab tests; actual results depend on the network and the number of simultaneous users.
How does the DS925+ cope with several users at once?
Through its two 2.5 GbE ports, which can be aggregated, with automatic failover, and through an optional NVMe SSD cache housed in two dedicated M.2 slots. The network and the cache address two different limits: bandwidth on the one hand, simultaneous access on the other.
What happens if a drive in the DS925+ fails?
Service continues. RAID 5, 6 and 10 survive the loss of one drive — two in RAID 6 — and the drive is hot-swapped, without switching the machine off. The volume is then rebuilt in the background.
Which processor powers the DS925+ Enterprise bundle?
A 4-core, 2.2 GHz AMD Ryzen V1500B. It is this processor, combined with ECC memory, that sets this model apart from Celeron-based desktop NAS units: it handles server and virtual machine backup on top of file sharing.
Can the DS925+ share files with people outside the organisation?
Yes, through the Synology Drive private cloud, designed for both internal and external collaboration, with granular access rights set user by user. Your data stays hosted on your premises, not with a service provider.
Is this DS925+ 32 TB NAS bundle new and under warranty?
New, assembled and tested before shipping, four drives included. The invoice serves as the warranty document for 1 year. The datasheet details the specifications of the NAS.
With its four Synology drives already fitted, it starts out fault-tolerant from day one. AMD quad-core processor, ECC memory expandable to 32 GB, two 2.5 GbE ports and NVMe SSD cache.
•4 Synology drives included, built for operation 24 hours out of 24
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