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Toshiba MG09ACA16TE 16 TB failure rate and reliability

C Grade C: Average

Backblaze logged 703 drive-years on the Toshiba MG09ACA16TE from Q1 2023 to Q3 2026, with 1,009 in service at the end of that period. In that time 12 drives failed, an annualised failure rate of 1.71%.

That is close to the 1.52% average across every drive in the same data, which earns it grade C (average).

Among the 8 graded 16 TB hard drives it ranks 6 of 8 for reliability.

Failure rate / year

1.71%

Average, all drives

1.52%

Drives in use

1,009

Drive-years

703

Failures

12

Capacity

16 TB

Type

HDD

Model number

MG09ACA16TE

Failure rate by quarter

Single quarters with few drive-days swing widely; the overall figure above is the dependable one.

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