HardDisk Cache

Discussion in 'General Mac Discussion' started by waynepixel, Mar 17, 2003.

  1. waynepixel macrumors regular

    Joined:
    Mar 9, 2003
    #1
    I was thinking of getting a new harddisk for my PM G4.

    Can someone tell me why some harddisk have 2MB Cache and some have 8MB Cache.

    And is there a performance difference between the two.


    80Gb Western Digital (WD800JB) ATA-100 (7200rpm, 8MB Cache, 8.5ms) Quiet Drive Technology 3Yr

    82.3Gb IBM/Hitachi Deskstar 120GXP ATA-100 (7200rpm,2MB Cache, 8.5ms) 1Yr
     
  2. melchior macrumors 65816

    melchior

    Joined:
    Nov 17, 2002
    #2
    more cache means continuous reads and writes will be faster.

    if you have the dosh, then the western digital is by far a better drive.

    the deskstar's are notorious for dying young. i use them, because they are the cheapest on the market, but if you value long term life, that is not their purpose. IBM makes other drives that are for that purpose. still with a smaller buffer though...

    it's all about money.
     
  3. Bear macrumors G3

    Joined:
    Jul 23, 2002
    Location:
    Sol III - Terra
    #3
    Another thing to check on the disks is the warranty, some disks have a one year warranty and some a three year warranty. And you have to look at the individual box to tell.
     
  4. melchior macrumors 65816

    melchior

    Joined:
    Nov 17, 2002
    #4
    i think some have 5 years warranty. you know you can trust those! :D
     
  5. Bear macrumors G3

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    Jul 23, 2002
    Location:
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    #5
    Five year warranties on IDE/ATA disks are a thing of the long past.
     
  6. melchior macrumors 65816

    melchior

    Joined:
    Nov 17, 2002
    #6
    it's too true :(

    i mentioned it because i saw the 10,000rpm raptor serial ata drive has a 5-year warranty...
     
  7. Bear macrumors G3

    Joined:
    Jul 23, 2002
    Location:
    Sol III - Terra
    #7
    Ahh... but first you need a serial ATA controller for the Mac.

    I hadn't realized they had cycled the warranties up again.

    Other ATA drives will be one and 3 years warranties.
     
  8. Wano macrumors 6502

    Joined:
    Oct 23, 2002
    #8
    www.googlegear.com has good deals...I found a western digital 120gb HD with 8mb cache for $137.50 there.
     

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