Best NAS hard drives for QNAP
ST16000NM000J
Seagate Exos X18
CMR
Capacity16 TB
ClassEnterprise
Failure rate0.17%
Price / TB-
MG11ACA24TE
Toshiba MG11
CMR
Capacity24 TB
ClassEnterprise
Failure rate0.42%
Price / TB€43.71
€1,049best live price
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WUH722222ALE6L4
WD Ultrastar DC HC570
CMR
Capacity22 TB
ClassEnterprise
Failure rate0.45%
Price / TB€56.65
€1,246best live price
View on Amazon
ST16000NM001G
Seagate Exos X16
CMR
Capacity16 TB
ClassEnterprise
Failure rate0.53%
Price / TB€43.06
€689best live price
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WUH722626ALE6L4
WD Ultrastar DC HC590
CMR
Capacity26 TB
ClassEnterprise
Failure rate0.67%
Price / TB€54.50
€1,417best live price
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MG10ACA20TE
Toshiba MG10
CMR
Capacity20 TB
ClassEnterprise
Failure rate0.68%
Price / TB€42.74
€855best live price
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WUH721414ALE6L4
WD Ultrastar DC HC530
CMR
Capacity14 TB
ClassEnterprise
Failure rate0.72%
Price / TB€50.21
€703best live price
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WUH721816ALE6Lx
WD Ultrastar DC HC550
CMR
Capacity16 TB
ClassEnterprise
Failure rate0.88%
Price / TB€51.62
€826best live price
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ST12000NM001G
Seagate Exos X16
CMR
Capacity12 TB
ClassEnterprise
Failure rate0.97%
Price / TB€71.27
€855best live price
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MG07ACA14TE
Toshiba MG07
CMR
Capacity14 TB
ClassEnterprise
Failure rate1.16%
Price / TB-
ST14000NM001G
Seagate Exos X16
CMR
Capacity14 TB
ClassEnterprise
Failure rate1.24%
Price / TB€60.63
€849best live price
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MG08ACA16Tx
Toshiba MG08
CMR
Capacity16 TB
ClassEnterprise
Failure rate1.43%
Price / TB€28.30
€453best live price
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MG09ACA16TE
Toshiba MG09
CMR
Capacity16 TB
ClassEnterprise
Failure rate1.46%
Price / TB-
ST24000NM002H
Seagate Exos X24
CMR
Capacity24 TB
ClassEnterprise
Failure rate2.91%
Price / TB€39.46
€947best live price
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HUH721212ALE604
WD Ultrastar DC HC520
CMR
Capacity12 TB
ClassEnterprise
Failure rate2.98%
Price / TB€67.74
€813best live price
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WUH722424ALE6L4
WD Ultrastar DC HC580
CMR
Capacity24 TB
ClassEnterprise
Failure rate-
Price / TB€51.23
€1,230best live price
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ST24000NT002
Seagate IronWolf Pro
CMR
Capacity24 TB
ClassNAS-Pro
Failure rate-
Price / TB€50.00
€1,200best live price
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WD241KFGX
WD Red Pro
CMR
Capacity24 TB
ClassNAS-Pro
Failure rate-
Price / TB€56.10
€1,346best live price
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WD242KRYZ
WD Gold
CMR
Capacity24 TB
ClassEnterprise
Failure rate-
Price / TB€56.20
€1,349best live price
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HAT5320-24T
Synology Enterprise Series
CMR
Capacity24 TB
ClassEnterprise
Failure rate-
Price / TB-
WD221KFGX
WD Red Pro
CMR
Capacity22 TB
ClassNAS-Pro
Failure rate-
Price / TB€44.44
€978best live price
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WD221KRYZ
WD Gold
CMR
Capacity22 TB
ClassEnterprise
Failure rate-
Price / TB€44.09
€970best live price
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ST22000NT001
Seagate IronWolf Pro
CMR
Capacity22 TB
ClassNAS-Pro
Failure rate-
Price / TB€55.13
€1,213best live price
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ST22000NM001E
Seagate Exos X22
CMR
Capacity22 TB
ClassEnterprise
Failure rate-
Price / TB€30.00
€660best live price
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MG10AFA22TE
Toshiba MG10
CMR
Capacity22 TB
ClassEnterprise
Failure rate-
Price / TB€36.36
€800best live price
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WD201KFGX
WD Red Pro
CMR
Capacity20 TB
ClassNAS-Pro
Failure rate-
Price / TB€57.76
€1,155best live price
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WD202KRYZ
WD Gold
CMR
Capacity20 TB
ClassEnterprise
Failure rate-
Price / TB-
WUH722020BLE6L4
WD Ultrastar DC HC560
CMR
Capacity20 TB
ClassEnterprise
Failure rate-
Price / TB€29.15
€583best live price
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ST20000NT001
Seagate IronWolf Pro
CMR
Capacity20 TB
ClassNAS-Pro
Failure rate-
Price / TB-
ST20000NM007D
Seagate Exos X20
CMR
Capacity20 TB
ClassEnterprise
Failure rate-
Price / TB-
HAT3320-20T
Synology Plus Series
CMR
Capacity20 TB
ClassNAS
Failure rate-
Price / TB-
HAT5320-20T
Synology Enterprise Series
CMR
Capacity20 TB
ClassEnterprise
Failure rate-
Price / TB-
WD181KFGX
WD Red Pro
CMR
Capacity18 TB
ClassNAS-Pro
Failure rate-
Price / TB€54.81
€987best live price
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WD181KRYZ
WD Gold
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€53.81
€969best live price
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WUH721818ALE6L4
WD Ultrastar DC HC550
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€64.75
€1,166best live price
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ST18000NT001
Seagate IronWolf Pro
CMR
Capacity18 TB
ClassNAS-Pro
Failure rate-
Price / TB-
ST18000NM000J
Seagate Exos X18
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€35.00
€630best live price
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ST18000NM004J
Seagate Exos X18
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€71.27
€1,283best live price
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MG09ACA18TE
Toshiba MG09
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€53.00
€954best live price
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MG09SCA18TE
Toshiba MG09
CMR
Capacity18 TB
ClassEnterprise
Failure rate-
Price / TB€34.03
€613best live price
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HDWG180
Toshiba N300
CMR
Capacity18 TB
ClassNAS
Failure rate-
Price / TB€54.59
€983best live price
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WD161KFGX
WD Red Pro
CMR
Capacity16 TB
ClassNAS-Pro
Failure rate-
Price / TB€47.87
€766best live price
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WD161KRYZ
WD Gold
CMR
Capacity16 TB
ClassEnterprise
Failure rate-
Price / TB€50.00
€800best live price
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ST16000NT001
Seagate IronWolf Pro
CMR
Capacity16 TB
ClassNAS-Pro
Failure rate-
Price / TB€41.81
€669best live price
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ST16000NM002G
Seagate Exos X16
CMR
Capacity16 TB
ClassEnterprise
Failure rate-
Price / TB€60.00
€960best live price
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HDWG51G
Toshiba N300
CMR
Capacity16 TB
ClassNAS
Failure rate-
Price / TB€53.19
€851best live price
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HAT3310-16T
Synology Plus Series
CMR
Capacity16 TB
ClassNAS
Failure rate-
Price / TB-
HAT5310-16T
Synology Enterprise Series
CMR
Capacity16 TB
ClassEnterprise
Failure rate-
Price / TB-
WD140EFGX
WD Red Plus
CMR
Capacity14 TB
ClassNAS
Failure rate-
Price / TB€74.93
€1,049best live price
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WD142KFGX
WD Red Pro
CMR
Capacity14 TB
ClassNAS-Pro
Failure rate-
Price / TB€49.74
€696best live price
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WD142KRYZ
WD Gold
CMR
Capacity14 TB
ClassEnterprise
Failure rate-
Price / TB€51.71
€724best live price
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WUH721414AL5204
WD Ultrastar DC HC530
CMR
Capacity14 TB
ClassEnterprise
Failure rate-
Price / TB€53.06
€743best live price
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ST14000NT001
Seagate IronWolf Pro
CMR
Capacity14 TB
ClassNAS-Pro
Failure rate-
Price / TB€31.50
€441best live price
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HDWG31G
Toshiba N300
CMR
Capacity14 TB
ClassNAS
Failure rate-
Price / TB€49.63
€695best live price
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MG07SCA14TE
Toshiba MG07
CMR
Capacity14 TB
ClassEnterprise
Failure rate-
Price / TB-
WD120EFBX
WD Red Plus
CMR
Capacity12 TB
ClassNAS
Failure rate-
Price / TB€52.61
€631best live price
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WD121KFBX
WD Red Pro
CMR
Capacity12 TB
ClassNAS-Pro
Failure rate-
Price / TB€49.58
€595best live price
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WD121KRYZ
WD Gold
CMR
Capacity12 TB
ClassEnterprise
Failure rate-
Price / TB€35.83
€430best live price
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ST12000VN0008
Seagate IronWolf
CMR
Capacity12 TB
ClassNAS
Failure rate-
Price / TB€43.25
€519best live price
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ST12000NT001
Seagate IronWolf Pro
CMR
Capacity12 TB
ClassNAS-Pro
Failure rate-
Price / TB€58.56
€703best live price
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HDWG21C
Toshiba N300
CMR
Capacity12 TB
ClassNAS
Failure rate-
Price / TB€44.63
€536best live price
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MG07ACA12TE
Toshiba MG07
CMR
Capacity12 TB
ClassEnterprise
Failure rate-
Price / TB€43.75
€525best live price
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HAT3310-12T
Synology Plus Series
CMR
Capacity12 TB
ClassNAS
Failure rate-
Price / TB-
HAT5300-12T
Synology Enterprise Series
CMR
Capacity12 TB
ClassEnterprise
Failure rate-
Price / TB-
WD101EFBX
WD Red Plus
CMR
Capacity10 TB
ClassNAS
Failure rate-
Price / TB€74.73
€747best live price
View on Amazon
WD102KFBX
WD Red Pro
CMR
Capacity10 TB
ClassNAS-Pro
Failure rate-
Price / TB€51.41
€514best live price
View on Amazon
WD102KRYZ
WD Gold
CMR
Capacity10 TB
ClassEnterprise
Failure rate-
Price / TB-
WUS721010ALE6L4
WD Ultrastar DC HC330
CMR
Capacity10 TB
ClassEnterprise
Failure rate-
Price / TB€34.50
€345best live price
View on Amazon
ST10000VN000
Seagate IronWolf
CMR
Capacity10 TB
ClassNAS
Failure rate-
Price / TB€66.39
€664best live price
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ST10000NT001
Seagate IronWolf Pro
CMR
Capacity10 TB
ClassNAS-Pro
Failure rate-
Price / TB€51.68
€517best live price
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ST10000NM019B
Seagate Exos 7E10
CMR
Capacity10 TB
ClassEnterprise
Failure rate-
Price / TB€53.52
€535best live price
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HDWG11A
Toshiba N300
CMR
Capacity10 TB
ClassNAS
Failure rate-
Price / TB€60.47
€605best live price
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MG06ACA10TE
Toshiba MG06
CMR
Capacity10 TB
ClassEnterprise
Failure rate-
Price / TB-
WD80EFPX
WD Red Plus
CMR
Capacity8 TB
ClassNAS
Failure rate-
Price / TB€78.72
€630best live price
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WD80EFZZ
WD Red Plus
CMR
Capacity8 TB
ClassNAS
Failure rate-
Price / TB€81.13
€649best live price
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WD8005FFBX
WD Red Pro
CMR
Capacity8 TB
ClassNAS-Pro
Failure rate-
Price / TB€55.63
€445best live price
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WD8004FRYZ
WD Gold
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB€61.25
€490best live price
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HUS728T8TALE6L4
WD Ultrastar DC HC320
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB€46.95
€376best live price
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ST8000VN004
Seagate IronWolf
CMR
Capacity8 TB
ClassNAS
Failure rate-
Price / TB€46.25
€370best live price
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ST8000NT001
Seagate IronWolf Pro
CMR
Capacity8 TB
ClassNAS-Pro
Failure rate-
Price / TB€70.36
€563best live price
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ST8000NM000A
Seagate Exos 7E8
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB€45.15
€361best live price
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ST8000NM017B
Seagate Exos 7E10
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB€70.10
€561best live price
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HDWG480
Toshiba N300
CMR
Capacity8 TB
ClassNAS
Failure rate-
Price / TB€54.91
€439best live price
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MG06ACA800E
Toshiba MG06
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB€71.61
€573best live price
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ST8000NM018B
Seagate Exos 7E10
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB-
HAT3320-8T
Synology Plus Series
CMR
Capacity8 TB
ClassNAS
Failure rate-
Price / TB-
HAT5320-8T
Synology Enterprise Series
CMR
Capacity8 TB
ClassEnterprise
Failure rate-
Price / TB-
WD60EFPX
WD Red Plus
CMR
Capacity6 TB
ClassNAS
Failure rate-
Price / TB€52.36
€314best live price
View on Amazon
WD6005FFBX
WD Red Pro
CMR
Capacity6 TB
ClassNAS-Pro
Failure rate-
Price / TB€51.51
€309best live price
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WD6004FRYZ
WD Gold
CMR
Capacity6 TB
ClassEnterprise
Failure rate-
Price / TB€66.99
€402best live price
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ST6000VN006
Seagate IronWolf
CMR
Capacity6 TB
ClassNAS
Failure rate-
Price / TB€50.81
€305best live price
View on Amazon
ST6000NT001
Seagate IronWolf Pro
CMR
Capacity6 TB
ClassNAS-Pro
Failure rate-
Price / TB€56.50
€339best live price
View on Amazon
HDWG460
Toshiba N300
CMR
Capacity6 TB
ClassNAS
Failure rate-
Price / TB€61.19
€367best live price
View on Amazon
MG06ACA600E
Toshiba MG06
CMR
Capacity6 TB
ClassEnterprise
Failure rate-
Price / TB-
HAT3300-6T
Synology Plus Series
CMR
Capacity6 TB
ClassNAS
Failure rate-
Price / TB€56.27
€338best live price
View on Amazon
WD40EFPX
WD Red Plus
CMR
Capacity4 TB
ClassNAS
Failure rate-
Price / TB€56.06
€224best live price
View on Amazon
WD4005FFBX
WD Red Pro
CMR
Capacity4 TB
ClassNAS-Pro
Failure rate-
Price / TB€88.52
€354best live price
View on Amazon
WD4004FRYZ
WD Gold
CMR
Capacity4 TB
ClassEnterprise
Failure rate-
Price / TB€64.75
€259best live price
View on Amazon
ST4000VN006
Seagate IronWolf
CMR
Capacity4 TB
ClassNAS
Failure rate-
Price / TB€50.00
€200best live price
View on Amazon
ST4000NT001
Seagate IronWolf Pro
CMR
Capacity4 TB
ClassNAS-Pro
Failure rate-
Price / TB€85.73
€343best live price
View on Amazon
HDWG440
Toshiba N300
CMR
Capacity4 TB
ClassNAS
Failure rate-
Price / TB€59.23
€237best live price
View on Amazon
HAT3300-4T
Synology Plus Series
CMR
Capacity4 TB
ClassNAS
Failure rate-
Price / TB€70.00
€280best live price
View on Amazon
HAT5320-4T
Synology Enterprise Series
CMR
Capacity4 TB
ClassEnterprise
Failure rate-
Price / TB-

Ranked by measured failure rate (Backblaze AFR). $/TB uses the cheapest live price where available.

How QNAP handles drives

QNAP ships two operating systems, and they ask different things of a drive. Plain QTS runs ext4 over Linux mdraid and is forgiving, so almost any NAS-rated CMR drive is a fine fit. QuTS hero is ZFS - checksums, snapshots and self-healing - and like any ZFS box it leans harder on the disks, rewarding consistent behaviour and honest RAID error timing (TLER/ERC). Both take standard SATA drives; the SAS-capable rackmount and enterprise units take SAS through their backplane or an HBA, which is why enterprise SAS drives appear in the list above.

CMR, and why it matters more on QuTS hero

Whichever OS you run, buy CMR. An SMR drive slows to a crawl under the sustained writes of a RAID rebuild and can drop out of the group at the exact moment you need it to hold. On QuTS hero that risk is sharper, because a ZFS resilver reads and writes across every disk the way it does on TrueNAS. So the list here is CMR-only, and every drive page states the recording tech so you can check any model in seconds.

Compatibility: a list, but not a lockout

QNAP keeps a per-model compatibility list, but it works nothing like Synology's 2025 lockout. An unlisted NAS drive still installs, builds a pool, and runs - the list mostly governs the "unverified drive" warning and a few model-specific extras, not whether the disk works. Check it for your exact model if you want every feature enabled, but don't treat a drive's absence from it as a wall.

What to optimise for

NAS-rated CMR is the floor: vibration tolerance for a multi-bay box, and RAID error-recovery timing so one slow sector doesn't get a healthy drive evicted mid-rebuild. Enterprise SATA or SAS drops in fine if you want the endurance and the longer warranty and can live with the extra noise and power, and it earns its keep on QuTS hero or a heavy always-on load. Separately, QNAP supports SSD read/write caching and QTier auto-tiering, and QM2 cards add M.2 slots on units without them - those decide where a drive sits, fast cache versus bulk pool, not the rule that the spinning bulk should be NAS-rated CMR. Plan the array with the RAID calculator, then pick from the top of the table.

The short version

Run CMR, full stop - it is the one thing that protects a rebuild, and doubly so on QuTS hero's ZFS. Beyond that, buy NAS-class for a home box or enterprise (SATA or SAS) for an always-on one, check QNAP's list only if you want every extra enabled, and start from the top of the failure-rate ranking. Add an SSD cache if your writes are heavy, and keep the spinning pool CMR.

Frequently asked questions

Does QNAP block third-party drives like Synology did?
No. When Synology locked its 2025 Plus units to a short in-house drive list, QNAP kept publicly backing third-party disks. An unlisted NAS drive still installs, builds a pool, and runs normally - QNAP's compatibility list mainly controls the 'unverified drive' warning, not whether you can use the disk. Check it for your exact model if you want every feature lit.
Does the drive choice change between QTS and QuTS hero?
Yes. QTS runs ext4 on Linux mdraid and is forgiving - mid-range NAS drives are fine. QuTS hero is ZFS, which checksums and self-heals but wants consistent, well-behaved drives with honest error timing (TLER/ERC); favour NAS-Pro or enterprise CMR there, and add an SSD cache if the workload is write-heavy.
Can I use enterprise or SAS drives in a QNAP?
Yes. QNAP supports enterprise SATA drives everywhere, and its SAS-capable rackmount and enterprise units take SAS directly - both add endurance and a 5-year warranty at the cost of noise and power. For most home units NAS-class SATA is the better balance; enterprise or SAS makes more sense on QuTS hero or a heavy 24/7 load.
Why avoid SMR in a QNAP?
SMR drives slow dramatically under sustained writes and can drop out of a RAID group during a rebuild, and that risk is sharper on QuTS hero where a ZFS resilver hammers every disk. CMR avoids the failure mode entirely, which is why this list is CMR-only.