What is average lantency?

Discussion in 'Buying Tips and Advice' started by Edandlindz28, Jun 1, 2007.

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  1. Edandlindz28, Jun 1, 2007

    Edandlindz28 macrumors regular

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    Apr 26, 2007
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    Colorado
    #1
    I am looking replace my internal HD and looking at all the different brands, I think I am just going with a 5400 RPM but what is the difference on the average lantency? Some are 5.5ms and others 4.2ms. Noticable? There is this one I found that I thought was a good price:
    TOSHIBA MK1234GSX 120GB 5400 RPM Serial ATA150 Notebook Hard Drive - OEM

    The only thing is I don't know if I should go with one that has a better warrenty like WD or Seagate.
     
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  2. JFreak, Jun 1, 2007

    JFreak macrumors 68040

    JFreak

    Joined:
    Jul 11, 2003
    Location:
    Tampere, Finland
    #2
    It's more like 14-15ms on the 5400rpm hard drive. 7200rpm hard drive latency is about 10-11ms and the difference *is* noticeable between the two.

    5ms latency is like a 15krpm SCSI hard drive meant for servers or high-end workstations. You won't find one in consumer laptops any day soon.

    EDIT: I recommend the Seagate 7200rpm 160GB for any laptop.
     
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