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Best Hard Drives: Hitachi Tops The List, Toshiba Second – Study Reveals

According to a recent report, HGST (Hitachi Global Storage Technologies) has been declared as the best hard drive in the world with a mere 0.60% failure rate in comparison to the second best Toshiba’s 1.27%.

An online backup provider, Backblaze has recently issued its Hard Drive Stats for 2016 report. The company has revealed the particulars over the dependability of various hard drive brands and models.

The method which Backblaze used in its report was based on ‘how a specific hard drive behaved when the company tried to store the data of the customer for its online backup business.’

In its report, Backblaze stated:

“At the end of 2016, we had 73,653 spinning hard drives. Of that number, there were 1,553 boot drives and 72,100 data drives”

Based on the data from 1st January 2016 to 31st December 2016, Backblaze analyzed the drive failures and came to the conclusion that determining the drive failure by drive count is an inaccurate measure. The report concluded that since the drive count constantly changes over the course of the year, driving an average to calculate drive failure becomes erroneous. By assigning a given day to the drive count, the assumption is that each drive contributed the same amount of time over the year, but that’s not the case. Thus, came the need for developing another, more reliable metric: annualized drive failure rate for each drive brand.

Backblaze stated:

“Failure rate, in the context we use it, is more accurately described as the Annualized Failure Rate. It is computed based on Drive Days and Drive Failures, not on the Drive Count”

Failure Rates of Hard Drive

In terms of the lowest failure rate, the hard drive of HGST surpassed everyone in the list. Its failure rate was reported at just 0.60% while Toshiba’s hard drive recorded a 1.27% failure rate. As far as Seagate and WDC’s (Western Digital) hard drives are concerned, their failure rate came out to be 2.65% and 3.88% respectively.

Furthermore, 3TB hard drive reported 1.40% failure rate while the second best was 8TB which registered 1.60% rate.

Following table will help you in comprehending the numbers easily:

Source: Backblaze

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