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A Look at Hard Drive and SSD Failure Rates

Backblaze Know What to Drive Unique Hard Drive Stats You Can Use 3 Drives with 177,935 ZERO FAILURES in Q2 2021 Hard Drives Analyzed WDC 16TB (WUHT281GALEGLO) HGST 12TB CHUH72212ALE6O0) Seagate 6TB WD Western Digital SEAGATE Average Failure Rates for Hard Drives by Year rates change by year See how the yearly failure SEAGATE HGST TOSHBA wo 2021 YTD AFR 0% 0.5% 1% 15% 2% 3% 4% 8400 10,8 9,733 0 19,970 14,404 12,610 055 18,795 10,754 31,913 2020 AFR O% 0.5% 1% 1.5% 2% 3% 4% 10,830 19287 12,744 23,036 18,939 14,406 21,046 2019 AFR O% 0.5% 1% 1.5% 2% 3% 4% 10,859 1000 12,746 14,447 19,211 37,004 2018 AFR O% 0.5% 1% 15% 2% 3% 4% 14,550 31,146 23,236 1205 4383 NOTE e sie presesber of dives drie for that year inciudes the top 0 dre modes based on the number of dives decioyd ina given year and is oced in the gahhe centrpoit of he ARtr SSD HDD 0.79% vs. 1.54% Lifetime AFR Lifetime AFR Q4 2020 Q4 2015 SSD drives have an average lower failure rate than HDD drives for similar models with same average drive age and similar number of drive days Predicting the future? 6.26% Lifetime AFR Will SSD drive failures follow the 5.23% o 2020 same trend as HDD drive failures? 3.55%2019 1.83% /2018 154% 138% 066% 0 O 2015 2016 2017 2014 Read more on the Backblaze Blog Download all the raw data: www.backblaze.com/b2/hard-drive-test-data.html The Astonishingly Easy Storage Cloud. O Backblaze

A Look at Hard Drive and SSD Failure Rates

shared by cbryson on Sep 07
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A look at the quarterly and lifetime failure rates for our 178,166 hard data drives plus a comparison of HDD vs. SDD failure rates.

Publisher

Backblaze

Category

Technology
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