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Benchmark Results: Drive Temperature And Power Consumption

Analysis: Which Enterprise Capacity Point Performs Best?
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Drive Surface Temperature

Apparently, the two-platter drive runs a bit cooler than the three platter model, which comes as no surprise.

Power Consumption

As expected, idle power is lower on the drives that utilizes less platters. The 450GB and 600GB drives with three platters both require 0.5W more power in active idle (spinning).

Delivering data at peak throughput results in similar power consumption. The difference between two and three platters is smaller now.

Power consumption during delivery of a defined data stream (video) was highest on the 450GB drive for some reason.

Workstation I/O power consumption scales with the amount of heads utilized.

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  • 0 Hide
    wuzy , June 23, 2010 1:22 AM
    It's pretty obvious that more platters/heads within the same product family does not affect performance, perhaps a little increase in access time. Overall the differences are negligible.

    But it's good to have additional solid data to backup the above statement I guess, although this test proved to be somewhat meaningless.
  • 0 Hide
    Anonymous , June 23, 2010 6:52 AM
    Weak article. How about some real test cases?
  • 0 Hide
    blarg_12 , August 4, 2010 8:11 PM
    The differences between the drives are so negligible that you are left with price and physical data density in your data center as the only two considerations.