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Thread: Hard drive speed

  1. #1

    Hard drive speed

    I've got a new laptop that comes with a 256gb solid state hard drive (the ram type). I was going to add a new ATA drive for storing music and movies and thought that rpm's determined transfer speed. But when I was comparing drives on Best Buy I found three 1tb drives with varying information.

    So looking at attached chart pic, which is faster?
    Attached Images Attached Images  

  2. #2
    So "data transfer rate" doesn't equal "how fast can my drive find a file". That is related to hard drive speed, and for things like movies which are large files which are probably not stored contiguously you want a faster drive.

  3. #3
    So, the 7200 rpm it is...

  4. #4
    Quote Originally Posted by Scott C4/5 View Post
    So, the 7200 rpm it is...
    If you want a recommendation: https://www.newegg.com/Product/Produ...24%20600361786

    The WD Black drives have a good reputation for being reliable. You can find cheaper ones but its worth the 10 or so extra bucks.

  5. #5
    That's the one that was the 7200 rpm on that chart. I had picked it out due to the rpm, but was confused by the data transfer speeds of slower drives. I only last week discovered that new type of hard drive that looks like ram. Is it faster than 2.5" solid state drives?

    I usually buy WD when given the choice.

  6. #6
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    From the very brief info I've seen, even though a drive's specs may says it 5400RPM, when needed, it has the ability to spin up to 7200RPM. This means a cooler, less power and quieter drive when idle. For memory, this is Western Digital drives. Not sure on Seagate. Buffer size also can improve performance eg more is better.
    PS: solid state storage (SSD) will trump any mechanical device for speed but with the drawback of higher cost.

  7. #7
    Quote Originally Posted by Scott C4/5 View Post
    That's the one that was the 7200 rpm on that chart. I had picked it out due to the rpm, but was confused by the data transfer speeds of slower drives. I only last week discovered that new type of hard drive that looks like ram. Is it faster than 2.5" solid state drives?

    I usually buy WD when given the choice.
    Not sure what you mean by "looks like RAM", SSD drives are the nearest thing to that concept that will retain information when powered off. Do you mean hybrid drives? https://en.wikipedia.org/wiki/Hybrid_drive

    Those are just a SSD and regular drive in one enclosure where the SSD is used as a faster cache for frequently accessed files.

  8. #8
    Quote Originally Posted by t8burst View Post
    Not sure what you mean by "looks like RAM", SSD drives are the nearest thing to that concept that will retain information when powered off. Do you mean hybrid drives? https://en.wikipedia.org/wiki/Hybrid_drive

    Those are just a SSD and regular drive in one enclosure where the SSD is used as a faster cache for frequently accessed files.
    Here is what I was talking about: http://www.bestbuy.com/site/wd-blue-...?skuId=5656479

    Before I bought this laptop I wanted to see how easy it was to upgrade and found this video: https://youtu.be/cXJOVwIAIds?t=400
    It was the first time I'd seen the hard drive in question.
    Last edited by Scott C4/5; 07-03-2017 at 11:17 PM.

  9. #9
    Quote Originally Posted by Scott C4/5 View Post
    Here is what I was talking about: http://www.bestbuy.com/site/wd-blue-...?skuId=5656479

    Before I bought this laptop I wanted to see how easy it was to upgrade and found this video: https://youtu.be/cXJOVwIAIds?t=400
    It was the first time I'd seen the hard drive in question.
    Yeah that is a hybrid drive, it would be slower than a full SSD drive.

  10. #10
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    That's an M.2 SSD (BestBuy link) and will poop over any mechanical drive in speed With speed being its attraction, it's best used when you want rapid access to often used applications and loading of operating system. For much less accessed photos, music or movies then mechanical drives offer better value $$ vs storage capacity
    Last edited by Delta.Kilo; 07-04-2017 at 12:07 AM. Reason: clarity

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