INTEL PWLA8391GTBLK-1PK OEM INTEL PRO 1000/GT SINGLE 10/100/1000BTX PCI RJ45 DESKTOP New INTEL - NETWORKING PWLA8391GTBLK-1PK INTEL PWLA8391GTBLK-1PK OEM INTEL PRO 1000/GT SINGLE 10/100/1000BTX PCI RJ45 DESKTOP