Cloud storage provider Backblaze has been looking at statistics generated from the open-source Backblaze Storage Pods powering their business. The data is based on more than 25,000 units in active service from 15 different consumer-grade hard drives from Seagate, Hitachi, and Western Digital.
For most of the last four years, Seagate and Hitachi have offered the best price-per-GB ratio, and also the starkest contrast when it comes to reliability. Hitachi drives are by far the most reliable with less than a 2% failure rate, while Seagate fared the worst with an annual failure rate of 8-9%.
Things don’t get any better for Seagate after three years with failure rates reaching over 25% while Hitachi sits at just over 3%. The annual failure rate of the Western Digital drives at around 3% and after three years of operation they fare just slightly worse than Hitachi at 5.2%.
For most of the last four years, Seagate and Hitachi have offered the best price-per-GB ratio, and also the starkest contrast when it comes to reliability. Hitachi drives are by far the most reliable with less than a 2% failure rate, while Seagate fared the worst with an annual failure rate of 8-9%.
Things don’t get any better for Seagate after three years with failure rates reaching over 25% while Hitachi sits at just over 3%. The annual failure rate of the Western Digital drives at around 3% and after three years of operation they fare just slightly worse than Hitachi at 5.2%.
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