However, Backblaze notes that the high failure rates for the Toshiba drive are related to the limited number of drive days in the quarter, with its rather low drive pool of 95 drives in total. Finally, the Toshiba 4TB drive went from zero failures last quarter to a whopping 8.25% in Q3. The Seagate 4TB went from 3.42% in Q2 to 4.38% in Q3, while the 6TB model increased from 0.91% AFR in Q2 to 1.34% AFR in Q3. These drives are experiencing an increased annualized failure rate (AFR) in this quarter specifically. HGST's slice of the pie has dropped to under 20% as well, though the yearly fluctuations are relatively flat compared to the other brands.īackblaze's Oldest Drives Are Really Showing Their Ageīackblaze continues by sharing details on its three oldest drives in its workforce today, the Seagate 4TB ST4000DM000, 6TB ST6000DX000, and Toshiba 4TB MD04ABA400V.

The current status shows that Seagate has lost a lot more of its drive share, dropping to just under 50% of Backblaze's overall capacity. It was at more than 10% volume by Q3 2020, and that growth trend continued in 20, with Toshiba reaching around 23% drive capacity and Western Digital growing to around 8% drive capacity by Q3 2022. These ratios began to change in the 2020s, with Toshiba taking huge chunks out of Seagate's drive capacity.

Toshiba and Western Digital meanwhile made up an incredibly small amount of capacity, with less than 5% of the total hard drive capacity combined. HGST took second place with an average of 25% of Backblaze's storage capacity. From Q3 2017 through Q3 2019, Backblaze's storage servers were predominantly populated with Seagate-branded hard drives, which making up around 70% of the companies entire storage volume. Moving on, Backblaze also shared a graph of its drive models based on the brand, and how the company has shifted to different brands over the past six years of operation.

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