Backblaze Hard Drive Stats Updated
Key takeaways from real world analysis of hard drive data
The 16TB Seagate is effectively the same price as the 8TB HGST. Review of the 16TB Seagate
The 18TB Seagate currently has no failures, but also very low drive days in use.
The 8TB Seagate currently has the highest failure rate and a high number of drive days in use.
Most Reliable 16TB Hard Drive
Seagate 16TB HDD Exos X16 7200 RPM
The Seagate 16TB HDD Exos X16 (ST16000NM001G) hard drive is our overall choice for the most reliable 16TB sized drive. It currently has 0 failures out of more than 5,400 drive days.
Amazon - $336.55
Best Overall Large Hard Drive
Seagate Exos X16 14TB
The Seagate Exos 14TB hard drive (ST14000NM001G) is our overall choice for the most reliable large sized drive. It has more reliable drive days in the Backblaze data centers than any 14TB or larger drives.
Amazon - $279.00
Most Reliable 12TB Hard Drive
HGST Ultrastar DC HC520
The Ultrastar DC HC520 (HUH721212ALE600) hard drive is our overall choice for the most reliable 12TB sized drive. It has a very low annual failure rate with a large number of drive days.
Amazon - $279.99
Most Reliable 8TB Hard Drive
HGST HelioSeal HE8
The HelioSeal HE8 (HUH728080ALE600) is our overall choice for the most reliable 8TB sized drive. It has a very low annual failure rate with a large number of drive days.
Amazon - $327.99
Most Reliable 18TB Hard Drive
Seagate Exos X18
The Seagate Exos X18 (ST18000NM000J) is our overall choice for the most reliable 18TB sized drive. It currently has no failures, but it also has a relatively low number of drive days compared with the others. This may change over time and should be considered today.
Amazon - $473.99| MFG | Model | Drive Size | Drive Count | Avg Age | Drive Days | Drive Failures | AFR | Price Per TB | Amazon | Amazon Reviews | Notes | |
| HGST | HMS5C4040ALE640 | 4TB | 3,023 | 53.8 | 274,923 | 0 | 0.00% | Not Available | Not Available | Not Available | Not Available | |
| HGST | HMS5C4040BLE640 | 4TB | 12,737 | 47.5 | 1,171,895 | 7 | 0.22% | Not Available | Not Available | Not Available | Not Available | |
| HGST | HUH728080ALE600 | 8TB | 1,032 | 33.2 | 92,702 | 2 | 0.79% | $23.74 | $189.95 | 4.2 | 75+ Amazon Reviews | |
| HGST | HUH721212ALE600 | 12TB | 2,600 | 12.1 | 238,966 | 2 | 0.31% | $25.00 | $299.97 | 4.4 | 50+ Amazon Reviews | |
| HGST | HUH721212ALE604 | 12TB | 1,909 | 1.5 | 67,002 | 2 | 1.09% | $22.03 | $264.30 | 4 | 25 Amazon Reviews | |
| HGST | HUH721212ALN604 | 12TB | 10,838 | 18 | 997,546 | 10 | 0.37% | $26.66 | $319.93 | 4.2 | 350+ Amazon Reviews | |
| Seagate | ST4000DM000 | 4TB | 19,024 | 59.4 | 1,753,271 | 69 | 1.44% | $32.50 | $130.00 | None | ||
| Seagate | ST6000DX000 | 6TB | 886 | 65.9 | 81,512 | 1 | 0.45% | $21.67 | $129.99 | 3.5 | 5 Amazon Reviews | |
| Seagate | ST8000DM002 | 8TB | 9,801 | 48.1 | 901,933 | 28 | 1.13% | $41.24 | $329.89 | 5 | Only 1 Amazon Review | |
| Seagate | ST8000NM0055 | 8TB | 14,425 | 38.4 | 1,328,845 | 51 | 1.40% | $22.94 | $183.53 | 4.3 | 500+ Amazon Reviews | |
| Seagate | ST10000NM0086 | 10TB | 1,200 | 36 | 110,396 | 3 | 0.99% | $25.50 | $254.99 | 4.8 | 25+ Amazon Reviews | |
| Seagate | ST12000NM0007 | 12TB | 28,867 | 26.9 | 2,944,060 | 65 | 0.81% | $24.00 | $287.99 | 4.4 | 10 Amazon Reviews | |
| Seagate | ST12000NM0008 | 12TB | 18,339 | 7.2 | 1,557,673 | 42 | 0.98% | $22.82 | $273.79 | 4.6 | 110+ Amazon Reviews | |
| Seagate | ST12000NM001G | 12TB | 6,139 | 3.8 | 547,693 | 10 | 0.67% | $22.50 | $269.98 | None | ||
| Seagate | ST14000NM001G | 14TB | 2,400 | 0.7 | 21,120 | 0 | 0.00% | $23.49 | $281.83 | 4.4 | 525+ Amazon Reviews | |
| Seagate | ST16000NM001G | 16TB | 60 | 9.9 | 5,428 | 0 | 0.00% | $21.19 | $339 | None | Amazon Renewed | |
| Seagate | ST18000NM000J | 18TB | 60 | 0.4 | 300 | 0 | 0.00% | $31.78 | $572 | None | ||
| Toshiba | MD04ABA400V | 4TB | 99 | 64.3 | 9,108 | 0 | 0.00% | Not Available | Not Available | Not Available | Not Available | |
| Toshiba | MG07ACA14TA | 14TB | 17,318 | 5.9 | 1,186,511 | 32 | 0.98% | $21.71 | $304.00 | 4.1 | 160+ Amazon Reviews, Similar Model Family | |
| TOTALS | 150,757 | 13,290,884 | 324 | 0.89% | ||||||||