NAS Drive Price & Reliability Report
August 2026 · IT prices · 153 drives tracked
Updated August 8, 2026 · refreshed automatically every day.
Auto-generated from our live catalogue: real failure rates from Backblaze thru Q1 2026, and Amazon prices refreshed daily. This page updates itself, so it is always the current snapshot.
1.34% avg AFR across all Backblaze-tracked models.
137 CMR (RAID-safe) · 16 SMR (avoid in arrays).
15 capacity tiers with a live IT price.
Best value ($/TB) by capacity
| TB | Cheapest drive | Tech | $/TB | Price |
|---|---|---|---|---|
| 26 | WUH722626ALE6L4 WD Ultrastar DC HC590 | CMR | $57.36 | €1,381 |
| 24 | ST24000NM002H Seagate Exos X24 | CMR | $42.62 | €947 |
| 22 | ST22000NM001E Seagate Exos X22 | CMR | $32.40 | €660 |
| 20 | WUH722020BLE6L4 WD Ultrastar DC HC560 | CMR | $31.48 | €583 |
| 18 | MG09SCA18TE Toshiba MG09 | CMR | $36.75 | €613 |
| 16 | MG08ACA16Tx Toshiba MG08 | CMR | $30.56 | €453 |
| 14 | HDWR31G Toshiba X300 | CMR | $41.68 | €540 |
| 12 | WD121KRYZ WD Gold | CMR | $38.70 | €430 |
| 10 | WD102KFBX WD Red Pro | CMR | $45.04 | €417 |
| 8 | ST8000DM004 Seagate BarraCuda | SMR | $46.56 | €345 |
| 6 | ST6000DM003 Seagate BarraCuda | SMR | $46.62 | €259 |
| 4 | ST4000VX016 Seagate SkyHawk | CMR | $52.92 | €196 |
| 3 | ST3000DM007 Seagate BarraCuda | SMR | $72.32 | €201 |
| 2 | ST2000DM008 Seagate BarraCuda | SMR | $65.34 | €121 |
| 1 | ST1000VX013 Seagate SkyHawk | CMR | $132.83 | €123 |
Most reliable (lowest AFR)
| Drive | AFR | Sample |
|---|---|---|
| ST16000NM000J 16TB | 0.17% | 466 |
| MG11ACA24TE 24TB | 0.42% | 7,203 |
| WUH722222ALE6L4 22TB | 0.45% | 45,638 |
| ST16000NM001G 16TB | 0.53% | 34,729 |
| WUH722626ALE6L4 26TB | 0.67% | 3,604 |
Highest AFR (watch list)
| Drive | AFR | Sample |
|---|---|---|
| HUH721212ALE604 12TB | 2.98% | 25,665 |
| ST24000NM002H 24TB | 2.91% | 9,605 |
| MG09ACA16TE 16TB | 1.46% | 506 |
| MG08ACA16Tx 16TB | 1.43% | 51,185 |
| ST14000NM001G 14TB | 1.24% | 10,519 |
Biggest price drops (IT)
| Drive | Was | Now | Drop |
|---|---|---|---|
| WD102KFBX 10TB | €664 | €417 | -37% |
| ST12000NT001 12TB | €703 | €519 | -26% |
| WD60EZAX 6TB | €280 | €263 | -6% |
| HDWG11A 10TB | €605 | €455 | -25% |
| WD60EFAX 6TB | €310 | €279 | -10% |
| ST4000VX016 4TB | €208 | €196 | -6% |
| MG09ACA18TE 18TB | €968 | €914 | -6% |
| ST6000NT001 6TB | €339 | €309 | -9% |
| WD181KFGX 18TB | €1,098 | €978 | -11% |
| ST4000NT001 4TB | €343 | €229 | -33% |
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 Q1 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 IT, refreshed daily, with $/TB in USD for cross-currency ranking. Explore it all in the full filterable table.