[metageek]

The weird thing is that there already is an external cable for PCIe. An 8-lane PCIe cable can beat Thunderbolt, at 16Gb/s instead of 10. (Although I'm not sure if that's bidirectional; if not, you'd have to go to a 16-lane cable.)

https://secure.wikimedia.org/wikipedia/en/wiki/PCI_Express#P...