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Seagate still stands out.

Q3 2022 Drive Stats: Read the latest insights and check out the data.

As of March 31, 2021, Backblaze had 175,443 drives spread across four data centers on two continents. Of that number, there were 3,187 boot drives and 172,256 data drives. The boot drives consisted of 1,669 hard drives and 1,518 SSDs. This report will review the quarterly and lifetime failure rates for our data drives, and we’ll compare the failure rates of our HDD and SSD boot drives. Along the way, we’ll share our observations and insights of the data presented, and as always we look forward to your comments below. At the end of March 2021, Backblaze was monitoring 172,256 hard drives u...

Since 2013, Backblaze has published statistics and insights based on the hard drives in our data center. You'll find links to those reports below. We also publish the data underlying these reports, so that anyone can reproduce them. You'll find an overview of this data and the download links further down this page. Hard Drive Reliability - Annualized Hard Drive Failure Rates Quarterly Stats Blog Articles Overview of the Hard Drive Data Each day in the Backblaze data center, we take a snapshot of each operational hard drive. This snapshot includes basic drive information along with the S.M.A.R...

Backblaze Hard Drive Stats for 2020 In 2020, Backblaze added 39,792 hard drives and as of December 31, 2020 we had 165,530 drives under management. Of that number, there were 3,000 boot drives and 162,530 data drives. We will discuss the boot drives later in this report, but first we’ll focus on the hard drive failure rates for the data drive models in operation in our data centers as of the end of December. In addition, we’ll welcome back Western Digital to the farm and get a look at our nascent 16TB and 18TB drives. Along the way, we’ll share observations and insights on the data pres...