Compared set
Only 8 of 32 models checked match every need here: “Grow beyond four drives”.
8 matching models from 32 checkedBest for this need
Our pick

DS1525+ reaches fifteen bays with expansion units, the highest verified count in this set.
DS1525+ reaches fifteen bays with expansion units, the highest verified count in this set.
What the facts say
Useful conclusions from the current NAS devices comparison, followed by the checked facts used to reach them.
Only 8 of 32 models checked match every need here: “Grow beyond four drives”.
8 matching models from 32 checkedMatch countThe count uses the current product-to-need assignments for “Grow beyond four drives”. A need with no documented match does not count.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Synology DiskStation DS1525+ |
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|
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What matters in practice
DS1525+ reaches fifteen bays with expansion units, the highest verified count in this set.
Expansion hardware is an added purchase. It starts with five bays. Its documented maximum is fifteen bays.
The chassis has 5-bay storage. Its fastest documented network path is 10 Gbps.
A processor upgrade cannot add a missing bay. Start with the storage layout and expected growth.
1 options

Synology, DS1525+
Five SATA bays with dual native 2.5GbE, ECC memory and a separate 10GbE mini-module upgrade path.
Winner whenstore camera recordings and share with a small team
Hardware media transcoding is not its strength.
Ready to choose?
Our pick for this need

The chassis has 5-bay storage.
See price & reviews on Amazon