Hard Drive Technologies

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Hard disk Drive Failure rates HGST Toshiba Western Digital and Seagate

June 23, 2017 Jon 17 Comments

interesting statistics on the Failure Rate of Mechanical Hard Drives from 4 different brands, note that SSD’s are not in this chart, but overall seam to have lower failure rates

How to test your hard drive or SSD - HARD DRIVE FAILURE DIAGNOSIS

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  1. traumaticholler
    June 23, 2017 - 12:17 pm

    totally disagree. i have bad luck with wd. whenever bought a wd drive, it failed in one year. i use maxtor/seagate drives at least for two decades and never failed single one. i never used hgst and/or toshiba, probably never will.

  2. 이우석
    June 23, 2017 - 1:15 pm


  3. Kodiak and Grizzly Bears
    June 23, 2017 - 2:04 pm

    Your stats are based on what reliable source?

  4. Tayseer Babiker
    June 23, 2017 - 2:09 pm

    HGST is the best one??

  5. GooNAce
    June 23, 2017 - 2:21 pm

    Nice to know, make more vid like this is very helpful

  6. Jack Flynn
    June 23, 2017 - 3:20 pm

    This is data collected from Backblaze, and to solely look at that chart without a full explanation and breakdown is misleading. Here's the full breakdown where the chart is from:

    To say that any one brand has a % failure rate doesn't specify which of that particular brands drives you're collecting the data on. Backblaze collects their data from NAS Enterprise drives that they use in their massive storage arrays. For example the Western Digital drives used on the chart you show are specifically the 2, 3 & 4 TB Red's (WDx0EFRX) and 1 TB Greens (WD10EADS) – and those are crap drives as their collected data confirms. Enthusiasts, pro's and even mainstream consumers buying pre-builds wouldn't have a NAS drive as a primary, or even as a secondary internal companion to an SSD. More commonly you'd see Blue's or Blacks – that is if they're using WD's. WD Blacks have a much lower failure rate and offer the 5 year warranty. I'm an editor. I have 12 TB's of Blacks for multimedia drives companion to a primary SSD. For backup I do use the HGST's for the exact reason that Backblaze reports – the low failure rate of specific HGST's as backup drives . If you're looking at the data to make HDD drive choices then you need those choices to be made specific to use and application.

    You can go through each brand in the Backblaze study, and look at which specific drive the data is collected from, including that drive's capacity. Then it tells a much different story. With the Seagate drives, the annualized failure rate on a 3 TB ST300DM001 is a whopping 28%. However Backblaze reports a 1.42 % three year annualized failure rate on the 6 TB ST6000DX000 Seagate (sample population 1,882 drives) Seagate has two drives with extremely high failure rates that drive the average numbers up. For example Raptors have lower failure rates. This also speaks to a problem with using only averages and not a mean rate to present the data. You can go through brand by brand, drive by drive and then it becomes a much different story. The full story on the particular brand and specific drive for this study is broken down and looked at in much more depth in the full study – for the drives used.

    To be a truly fair comparison you'd also need to select much closer sized sample populations and usage hours. Backblaze reports 'Hours in Service by Manufacturer' per brand as follows: HGST 51.1%, Seagate 45.3%, WD 3.4%, and Toshiba 0.3%. By that metric a straight up 'Toshiba to Seagate' comparison for example seems a far less fair & relevant comparison.

  7. Paul Harrison
    June 23, 2017 - 3:54 pm

    I agree with graph I've lost a few Seagate & Western Digital fail's over the years.

  8. game dude
    June 23, 2017 - 4:10 pm

    So I have a problem I have been dealing with for some time and i would like some advice. I currently have an SSD and an HDD. My SSD works perfectly, however, my HDD tends to stutter with every game I put in it. So I swapped it out for a new ones and now the new one is doing the same thing. So far I've swapped it out, tried a different sata port on my mobo and I just ordered a new sata hoping it's just the cable. I tested it on Crystal disc and it came back clear. Any advice you all can give me would be appreciated.
    EDIT:Well I replaced the cable and it fixed, however, as a test a reconnected the old one and it was working fine. Its driving me mad lol. Anyone have any idea what's going on? I've adjusted the cable multiple time before this and nothing worked

  9. saladpits
    June 23, 2017 - 4:14 pm

    nooooooo whyyyyy

  10. Aaron bilger
    June 23, 2017 - 4:44 pm

    how long would you say a Samsung 850 PRO – 2TB – 2.5-Inch SATA III SSD would last? if I used it everyday for 5-12hrs or longer per day?

  11. José León Molfino
    June 23, 2017 - 5:43 pm

    Thanks! you look very similar to Ethan Hawke

  12. Kelvin Clark
    June 23, 2017 - 6:42 pm

    Thanks for the video, it turns out I have a yellow caution on my C: with a red Wiki warning (Relocated Sectors Count).
    Time for an upgrade….

  13. MrSmGExquisite
    June 23, 2017 - 7:29 pm

    I have recently upgraded my motherboard, CPU, RAM, and powersupply. for some reason, only after I upgraded these components I keep getting random freezing. It will freeze for about 30 seconds and then go back to normal. This keeps going on and off throughout use. I have an SSD with windows 10 Pro 64 bit along with a hard drive that I store games on. I tried reinstalling the OS but there was no change. I checked out the program you just provided and it said my SSD was good but it was at 99%. Is that bad? I've previously gotten A blue screen crash sayin MEMORY_MANAGEMENT. Could this be my RAM even though I just installed brand new RAM?

  14. Alexander Baldovinos
    June 23, 2017 - 8:21 pm

    I literally just watched your video about the Hyper T2 review since I'm planning on getting it and found this video. My hard drive has been pretty slow lately and I'm planning on checking that program out tomorrow! Thanks!

    June 23, 2017 - 8:24 pm

    The hard-drive in my computer is aright and if I need to replace the drive I have a 256GB SSD.

  16. Crigon
    June 23, 2017 - 8:26 pm

    btw if you have Skype on startup then it's going to double the times XD. Also most Samsung ssds have their own program to tell you the condition. I think it's called Samsung magician or something

  17. MTRMX
    June 23, 2017 - 9:03 pm


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