HP RP9 G1 Retail System Part Number: V2V67UT#ABA Chip Set: Intel Q170 Video: Intel HD Graphics 530 USB: Display Head (bottom)3 x Powered 12 Volt USB 1 x Powered 24 Volt USB 2 x USB 2.0 2 x USB 3.0 Display Head (top, left, right)3 x USB for peripheral integration Serial: 2 x RS-232 LAN: Intel I219-LM Ethernet Connection Other Ports: 1 x DisplayPort 1.2 1 x cash drawer 1 x RJ-45 1 x audio line in 1 x audio line out Dimensions: 13.80 x 18.20 x 9.80