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Benchmark Results: Real-World Copy Testing

Seagate's FreeAgent GoFlex: Modular External Storage

Small Files

Small file copying is clearly better on the Ultra-portable drives with USB 3.0 than eSATA. And once again, you can see that 3.5” drives are significantly faster than 2.5” products. However, write performance isn’t always higher on the faster interfaces when only small files are involved. Results here list average throughput, which we calculated by relating the total amount of data to the time required for this test.

JPEG Image Files

Read performance on files is much superior on 3.5” drives if the files are at least 2 or 3 MB. Only USB 3.0 and eSATA can take full advantage of the larger drives’ performance.

Again, we found that write performance lags read performance. USB 3.0 and eSATA are still fastest in the GoFlex family, but know that throughput is lower.

MP3 Audio Files

Our test set of 365 MP3 files includes file sizes of up to 10 MB. Predictably, the 3.5” drives with fast interfaces come out on top.

As mentioned, write performance is rather limited on the Seagate FreeAgent GoFlex products.

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  • 1 Hide
    Anonymous , 6 November 2010 04:19
    Annoying things about moden external drives - apart from only one. 1) They invariably come on with the PC and do not have an on off button 2) enclosures usually do, but on the BACK (one unit also has the LEDS there - duh).

    For those reasons, I only buy Samsung Story drives.

  • 1 Hide
    toughbook , 11 December 2010 20:38
    I have the 2.5 320GB model with USB 2.0 and 3.0 with a Buffalo PCIe 3.0 card. I can tell the difference for sure, but not as what I had expected.

    The backup software that came with mine looks totally different? It is still the Memeo though.

    In regards to not being able to turn them off, see above, the Hitachi G-Drive's all come with an on/off switch and do have an LED light as well. A feature that is nice as you stated DrT. They are formatted for Mac's out of the box, but you can change that for Windows very easy.

    Thanks for the great write up. I enjoy reading your tests on stuff that I have purchased and getting your point of view on it.
  • 1 Hide
    toughbook , 11 December 2010 20:47
    One thing I think you left out, or I didn't catch. If you buy just the 2.0 drive interface model, it comes with a little stand that you set the drive onto. The stand has the female end on it. It's a good idea. FYI, all the connectors that you can buy to pop onto your drive are female. It is basically a different snap on connector and you can use your own cables of different length if you have them. Hope that helps a little.