**** Ports: 4x USB * 1x RJ-11 * 1x RJ-45 Ethernet * 1x VGA Port * 1x DVI-D Port * 1x Serial Port * 1x Parallel Port * 2x Audio Port * 2x PS/2 ***** Compatible list: HP Compaq 6500 6510B 6515B 6530B 6535B 6700 6710B 6715B 6720T