TeraCopy is a nifty piece of freeware that improves the Windows copy/move function and adds useful extras like checksum calculation and permanent delete. -CNET
If you are regularly transferring large amount of data or copying it over the network and having a problem of slow transfer speed, as mostly common complaints on newer Version of Windows you might consider using a utility called TeraCopy for Windows.
What comes more with TeraCopy is it is a freeware, though there is a paid version which is the TeraCopy Pro. But who needs it anyway?. TeraCopy for free might already cater all your copying/transfer needs.
Download TeraCopy here.