It really isn't much more than a repackaging of the GC into a more palatable and accessible form factor. It still has the same 4GB limit and only works over 1.5Gbps SATA, something that is not a problem for magnetic drives but might be here.
In the end, you have a GC with status LEDs and a battery check button. Nothing astounding, simply nicer and more user friendly. If the GC was interesting to you, the GO should more and better, but not all that much more. µ
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