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● TRACKER Updated 29d ago · 5 sources tracked

New study finds HGST, WD hard drives fail less often than Seagate and Toshiba

A peer-reviewed analysis of 443,000 Backblaze hard drives identifies HGST as the most reliable manufacturer and Toshiba as the least. The study examined 1.66 million drive-years of data, finding that Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST drives. This 12-year study of data center drives confirms that WD and HGST hardware is more durable than the alternatives.

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⚡ Key Developments & Real-Time Context
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  • ✓ A study of 443,000 Backblaze hard drives found HGST to be the most reliable and Toshiba the least.
  • ✓ Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST drives.
  • ✓ The analysis covered 1.66 million drive-years.
  • ✓ HGST and WD drives are more durable than those from Seagate and Toshiba.
🛡️ Source Corroboration: 5 independent reporting domains (100% confidence) ⏱ Read time: ~2 min

What changed

A peer-reviewed study of Backblaze data center drives quantified failure rates by manufacturer.

Live updates

  1. HGST and WD Hard Drives Outperform Seagate and Toshiba in Reliability Study

    A peer-reviewed analysis of 443,000 Backblaze hard drives identifies HGST as the most reliable manufacturer and Toshiba as the least. The study examined 1.66 million drive-years of data, finding that Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST drives. This 12-year study of data center drives confirms that WD and HGST hardware is more durable than the alternatives.

    Why it matters

    Hard drive failure rates directly impact data persistence and recovery costs in large-scale storage environments. This data provides a longitudinal look at hardware durability across different brands. It reflects a general trend of increasing reliability in HDD technology over time.

    What is confirmed

    • A study of 443,000 Backblaze hard drives found HGST to be the most reliable and Toshiba the least.
    • Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST drives.
    • The analysis covered 1.66 million drive-years.
    • HGST and WD drives are more durable than those from Seagate and Toshiba.

    Still unconfirmed

    • Hard drives are becoming more and more reliable.

    What to watch next

    • Updated failure rate data for newer drive generations
    • Manufacturer responses to the Backblaze study findings
    Sources used for this update (5)
    1. TechSpot — New study finds HGST, WD hard drives fail less often than Seagate and Toshiba
    2. Tom's Hardware — Peer-reviewed study of 443,000 Backblaze hard drives ranks HGST most reliable and Toshiba the least — Analysis of 1.66 million drive-years finds Seagate and Toshiba HDDs fail at roughly twice the rate of WD and HGST
    3. Korben — Hard drives are becoming more and more reliable
    4. Blocks & Files — HDD failure rates by manufacturer revealed
    5. finance.biggo.com — 12-Year Study of 443,000 Data Center Drives Finds HGST and WD Most Durable, Toshiba Trails
    confidence 100%
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