Full Details on Amazon.com : http://www.amazon.com/gp/product/B00030DEQE?tag=tsukuyomi-20
Intel PWLA8391GT PRO/1000 GT PCI Network Adapter
Intel 82541PI Gigabit Controller Enhances high performance and reliability
101001000 Mbps Allows easy migration to faster networks as current 10100 Mbps networks move to Gigabit
Category-5 Cabling Uses pre-existing 4-pair cabling and saves re-wiring cost
