Did a ping -n 1000 and here are the results:
Packets: Sent = 1000, Received = 1000, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 2ms, Maximum = 19ms, Average = 5ms
It's on a gigabit switch, but I don't know if it shows what speed the ports are working...