Power Consumption of Hard Drives 5400 & 7200

Discussion in 'MacBook Pro' started by born4sky, Oct 15, 2009.

  1. born4sky macrumors 6502a

    born4sky

    Joined:
    Mar 14, 2008
    #1
    as topic states, what do you think the difference in power consumption between 5400rpm and 7200 rpm?
     
  2. Mactagonist macrumors 65816

    Joined:
    Feb 5, 2008
    Location:
    NYC - Manhattan
    #2
    not enough of a difference to worry about.

    though a big modern 5400rpm is just as good as a 7200rpm drive in most benchmarks. Something like the WD Blue 500gb drive would be a great choice.
     
  3. drewsof07 macrumors 68000

    drewsof07

    Joined:
    Oct 30, 2006
    Location:
    Ohio
    #3
    Just look at the power consumption listed on the drive specs.

    As far as performance goes, you will notice a significant difference in large file transfers. The time will be moderately faster. Just browsing around finder and safari, mail, etc. you won't notice much difference.

    Here is a good article for these questions.
     
  4. fibrizo macrumors 6502

    fibrizo

    Joined:
    Jan 23, 2009
    #4
    Having personally downgraded from a seagate 7200 rpm to a hitachi 5400 I can say that it affected my battery life. I have a thread on batterylife and power consumption somewhere.

    Anyhow to sum up on my 13 mbp i got about 5:30 with my 7200 rpm and closer to 6:15-6:30 on a 5400 rpm for similar use.
     
  5. JRoDDz macrumors 68000

    JRoDDz

    Joined:
    Jul 2, 2009
    Location:
    NYC
    #5
    There are a number of issues to think about in addition to power consumption.

    1) Noise and Vibration (do you want a noisy 7200 rpm drive?)
    2) Increased heat (do you want overall increased system heat? ie: fans operating more often)

    Not to say that the 7200 will cause these issues, but as for me I'd rather have a silent cool slower drive than a noisy hotter faster one.
     

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