HGST hard disks still super reliable, Seagates have greatly improved

(credit: Alpha six)

Cloud backup provider Backblaze has published more of its hard drive reliability data, giving a look at the company's experiences with its 56,224 hard disks in 2015.

In 2014, HGST was the standout performer, with all its models showing extremely good reliability. Some Seagate models, on the other hand, showed alarming unreliability and extremely high failure rates.

For 2015, HGST maintained its strong performance. Across all the HGST models that Backblaze used (one 2TB, two 3TB, three 4TB, and one 8TB), failure rates were low across the board. The HGST drives are some of the oldest in Backblaze's collection, with the 2TB units being almost five years old on average. Over the last two and a half years, only 1.55 percent of them have failed.

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