Best 20-bay NAS — every model, every vendor, one table

1 NAS models ship with 20 drive bays across QNAP. Specs from the vendors' own sheets; the "drives listed" column is each vendor's official compatibility-list depth — our data, read daily, refreshed 2026-11-03.

1
20-bay models
1
Vendors
33
Deepest list (QNAP GM-1000)
0
Drives shared across this class

How to choose a 20-bay NAS in 2026

1 NAS models across 1 vendors ship with 20 drive bays. The table below lists every one of them with its official drive-list depth — read each model page for the vendor's own tested drives.

All 20-bay models, ranked by official drive-list depth

CPU/RAM shown where the vendor publishes them (Synology/QNAP specs); "drives listed" = rows on the vendor's own compatibility tool.

ModelVendorCPURAMDrives listed
QNAP GM-1000 QNAP — — 33

Other bay counts