I was going to upload a screenshot of the resource monitor but the allowed resolutions here wouldn't really make it usefull. The graph displaying disk usage is up and down in a consistent wave from 0 to 15-17MB/s, as if it IS switching on and off for some reason. Laptop is plugged in and in "high performance" mode. I can only think that the drive is damaged or shared USB performance on this laptop behaves like an old half-duplex network hub?!
Like I said write speed is peaking at around 15MB a second. USB 2.0 should be at least 50MB/sec and sustainable, right?
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