Hooked up to an Intel four-port Gigabit Ethernet card, and in combination with the onboard Gigabit-E port, [Jeff] was able to get 3.0 Gbit/s out of the setup without too much fuss. However ...

As anyone who has recently browsed at their local IT networking store for 5 and 10 GBit cards and switches can probably attest to, at these extreme points of twisted pair networking the cost ...