Lifehacker replace hard drive

The Most (and Least) Reliable Hard Drive Brands  February 9, 2016 – 12:03 pm

The Most (and Least) Reliable Hard Drive BrandsBackblaze uses 25, 000 hard drives for its online backup service. This has provided some interesting information, such as how long hard drives are likely to last and the difference in reliability between enterprise and consumer drives. Today, Backblaze has spilled the beans on which drive manufacturers are the most reliable.

The comparison is between Seagate, Hitachi, and Western Digital. (The company has a few Toshiba and Samsung drives, but not enough for analysis.) Backblaze says they buy the least expensive drives that perform well, based on stress tests and a few weeks in production.

As with the previous analyses, Backblaze measured the reliability of the drives by looking at the annual failure rate, the average number of failures while running a drive for one year. Here is a pretty telling chart:

The company has also broken it down by drive model on their blog. The Hitachi GST Deskstar (7K2000, 5K3000, and 7K3000) had the lowest annual failure rates, from 0.9% to 1.1%. Meanwhile, the Seagate Barracuda Green had a whopping 120% annual failure rate (an average age of 0.8 years). While those were warranty replacement drives—likely refurbished ones already used—the other Seagate drives had failure rates between 3.8% and 25.4%.

Overall, most of the drives survived for at least three years, but looking at this data, you might want to consider going with a Hitachi or WD drive instead of Seagate, unless you read other reviews of a specific drive's reliability.


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  • avatar How to replace the hard drive.
    • First lets get the basics out of the way, did you buy a 2.5" laptop harddrive? Good if you did.
      Unplug your laptop, turn it over, remove the battery, find the harddrive cover.
      In most dells its on the side
      if its on the side like that, remove the screws and in most laptops you have to pull it up to unlock it, now pull it out. some laptops might have a simple pull it out system, you didnt say witch one you have so i cant be sure.
      If the hdd is not on the side then its on the bottom
      you need to remove the old harddrive from the slot, remove the hdd cradle.
      install th…

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