Best NAS hard drives for QNAP
QNAP units run best on NAS-rated CMR drives built for 24/7 multi-bay duty. SMR drives risk timeouts during a RAID rebuild, so this list sticks to CMR NAS and NAS-Pro drives. Check QNAP's compatibility list for your exact model before buying.
| Drive | Capacity | Tech | Class | Interface | AFR | €/TB | Price | |
|---|---|---|---|---|---|---|---|---|
| 1 |
WD240KFGX
WD Red Pro
|
24 TB | CMR | NAS-Pro | SATA | - | €43.29 | €1,039 |
| 2 |
ST24000NT002
Seagate IronWolf Pro
|
24 TB | CMR | NAS-Pro | SATA | - | - | - |
| 3 |
WD221KFGX
WD Red Pro
|
22 TB | CMR | NAS-Pro | SATA | - | - | - |
| 4 |
ST22000NT001
Seagate IronWolf Pro
|
22 TB | CMR | NAS-Pro | SATA | - | €34.55 | €760 |
| 5 |
WD201KFGX
WD Red Pro
|
20 TB | CMR | NAS-Pro | SATA | - | €45.00 | €900 |
| 6 |
ST20000NT001
Seagate IronWolf Pro
|
20 TB | CMR | NAS-Pro | SATA | - | €36.50 | €730 |
| 7 |
WD181KFGX
WD Red Pro
|
18 TB | CMR | NAS-Pro | SATA | - | €57.17 | €1,029 |
| 8 |
ST18000NT001
Seagate IronWolf Pro
|
18 TB | CMR | NAS-Pro | SATA | - | €38.89 | €700 |
| 9 |
WD161KFGX
WD Red Pro
|
16 TB | CMR | NAS-Pro | SATA | - | €71.18 | €1,139 |
| 10 |
ST16000NT001
Seagate IronWolf Pro
|
16 TB | CMR | NAS-Pro | SATA | - | €42.65 | €682 |
| 11 |
HDWG51G
Toshiba N300
|
16 TB | CMR | NAS | SATA | - | - | - |
| 12 |
WD140EFGX
WD Red Plus
|
14 TB | CMR | NAS | SATA | - | €69.77 | €977 |
Ranked by measured failure rate (Backblaze AFR). $/TB shows once live prices are wired.
Check QNAP's compatibility list first
QNAP keeps a per-model supported-drive list. A listed drive avoids the "unverified drive" nags and keeps QTS (and especially QuTS hero, which is ZFS) fully featured. The picks above are solid NAS-class starting points, but the list for your exact unit has the final say.
Stick to NAS-rated CMR
NAS drives bring what a multi-bay box needs: vibration tolerance and RAID error-recovery timing (TLER/ERC), without which one slow sector can get a healthy drive evicted mid-rebuild. Enterprise drives (Exos, Ultrastar) drop in fine too if you want the endurance and can live with the extra noise. Plan the array first with the RAID calculator.
Frequently asked questions
- Do QNAP NAS units need specific drives?
- They need NAS-rated CMR drives designed for continuous operation and multi-bay vibration. Check QNAP's compatibility list for your model; the drives here are sound general starting points.
- Can I use enterprise drives in a QNAP?
- Yes - QNAP supports enterprise drives, which add endurance and longer warranties at the cost of noise and power. For most home QNAP units, NAS-class drives are the better balance.
- Why avoid SMR in a QNAP?
- SMR drives can slow dramatically under sustained writes and may drop out of a RAID group during a rebuild. CMR drives avoid that failure mode entirely.