New
#11
I wonder if it has something to do with the way explorer is copying the files over the lan. I take it you don't get the same CPU usage when downloading files off the internet, etc.
Try downloading TeraCopy or another third party file manager and try copying the files so that explorer isn't involved in the process. In fact, if you can, try copying the files through command prompt with explorer closed.
Keep in mind I'm totally guessing, you're more than welcome to ignore me :)