{
 "title": "Hard Drive Failure Rates 2026: Backblaze Stats & UK Guide",
 "url": "https://www.servnetuk.com/research/hard-drive-reliability-statistics-2026",
 "publisher": "Servnet Research",
 "license": "CC BY 4.0 — free to reuse with attribution",
 "collected": "2026-09-05",
 "records": [
  {
   "metric": "Backblaze Q1 2026 fleet AFR",
   "value": "1.24%",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze Q1 2026 drive-days",
   "value": "30,203,180 drive-days",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze Q1 2026 drive failures",
   "value": "1,030 failures",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze 2025 annual AFR",
   "value": "1.36%",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze 2025 drive-days",
   "value": "115,638,676 drive-days",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze lifetime AFR in Q1 2026 report",
   "value": "1.39%",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze lifetime drive-days in Q1 2026 report",
   "value": "529,968,464 drive-days",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze 20TB+ fleet AFR",
   "value": "0.85%",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze 20TB+ unit count",
   "value": "more than 86,000 units",
   "source": "Backblaze"
  },
  {
   "metric": "Backblaze new deployments above 20TB",
   "value": "92%",
   "source": "Backblaze"
  }
 ]
}