The storage price crunch, in data

Since Jul 24, the typical NAS hard drive has gone from $21/TB to $44/TB - up 114%. Prices sat flat for over a year, then roughly doubled as the AI datacenter buildout swallowed hard-drive supply.

$20 $25 $30 $35 $40 $45 $50 Jul 24 Dec 24 May 25 Nov 25 Apr 26 Sep 26

Monthly median $/TB across US NAS hard drives (8TB and up), from our daily price history - 49 drives in the latest month.

Fleet failure rate

1.41% avg AFR across all Backblaze-tracked models.

CMR vs SMR

156 CMR (RAID-safe) · 16 SMR (avoid in arrays).

Coverage

15 capacity tiers with a live US price.

Best value ($/TB) by capacity

TBCheapest driveTech$/TBPrice
26 WUH722626ALE6L4 WD Ultrastar DC HC590 CMR $48.86 $1,270
24 ST24000NT002 Seagate IronWolf Pro CMR $35.83 $860
22 MG10AFA22TE Toshiba MG10 CMR $36.18 $796
20 ST20000NT001 Seagate IronWolf Pro CMR $36.00 $720
18 ST18000NM004J Seagate Exos X18 CMR $33.28 $599
16 ST16000NT001 Seagate IronWolf Pro CMR $36.25 $580
14 MG07SCA14TE Toshiba MG07 CMR $35.36 $495
12 ST12000NT001 Seagate IronWolf Pro CMR $38.33 $460
10 ST10000NM019B Seagate Exos 7E10 CMR $43.19 $432
8 WD80EFPX WD Red Plus CMR $44.37 $355
6 WD60EZAX WD Blue CMR $40.83 $245
4 ST4000VX016 Seagate SkyHawk CMR $45.00 $180
3 ST3000DM007 Seagate BarraCuda SMR $61.89 $186
2 ST2000DM008 Seagate BarraCuda SMR $72.69 $145
1 WD1005FBYZ WD Gold CMR $149.00 $149

Most reliable (lowest AFR)

DriveAFRSample
WUH722222ALE6L4 22TB 0.47% 45,556
MG11ACA24TE 24TB 0.50% 9,597
ST16000NM001G 16TB 0.55% 34,998
ST16000NM000J 16TB 0.72% 463
WUH721414ALE6L4 14TB 0.78% 8,548

Highest AFR (watch list)

DriveAFRSample
HUH721212ALE604 12TB 3.27% 25,045
ST24000NM002H 24TB 3.04% 9,482
MG08ACA16Tx 16TB 1.41% 50,539
MG09ACA16TE 16TB 1.30% 893
MG07ACA14TE 14TB 1.29% 37,907

Biggest price drops (US)

DriveWasNowDrop
MG09ACA18TE 18TB $699 $659 -6%
ST16000VE002 16TB $725 $683 -6%
ST12000VE003 12TB $564 $515 -9%
ST4000VX016 4TB $215 $180 -16%
WD101EFBX 10TB $530 $500 -6%
ST10000VN000 10TB $532 $500 -6%
WD242KRYZ 24TB $1,368 $1,213 -11%
WD4004FRYZ 4TB $290 $245 -16%
ST4000NT001 4TB $280 $250 -11%
WD6005FFBX 6TB $438 $387 -12%

See the live deals feed for the full list.

Method

Failure rates are recomputed from Backblaze's Drive Stats (drive-days and failures) - source: Backblaze thru Q2 2026 - not vendor MTBF numbers; models Backblaze does not track use the manufacturer's series spec. Prices are the cheapest in-stock new Amazon offer per drive in US, refreshed daily, with $/TB in USD for cross-currency ranking. Explore it all in the full filterable table.