I have a 1GBit wired lan in my home (CAT5E cabling), running a variety of linux machines (1-3) and a windows laptop: -Machine 1: A Dual Core AMD 64Bit something MHz with 4GB of RAM -Machine 2: A Via Epia 1GHz with Intel GBit NIC -Machine 3: A Linksys NMH300 Mediahub (ARM V5/400MHz/64MB Ram) running Debian Linux -Machine 4: My Lenovo Laptop/4GB RAM/SSD running windows 8.x with a GBit NIC. When speed testing the raw data transfer rates I get to the following values between the three: With NC: Machine 1-2: ~600MBit Machine 1-3: ~350MBit Over SMB/Cifs with stock settings from machine 4: