Ports       Show Part Numbers       Hide Part Numbers 1008555, 1008556, 1008558, 1008702, 1008853, 1008858, 1008880, 1008881, 1008919R, 1008920R, 1008971, 1008976, 1009008, 1009009, 1009010, 1009065, 1009122, 1009152, 1009175, 1009176, 1009191, 1009204, 1009209, 1013878R, 1013879R, 1013930R, 1013952, 1013953, 1013968R, 1013970R, 2900877, 5394, 5395, 5401, 5402, 5427, 5428, 5430, 5454, 5485, 5487, 5642, 5647, 5648, 5817, 6074, 6075, 6076, 6153, 6207, 6208, 6322       Show Model(s)       Hide Models DX300X, DX300MC, DX300S, GT5064, GT5064H, GM5076E, GM5066E, GT5038j, GT5036j, DX300QS, GT5068E, GT3210m, GT3212m, GT3214m, GM5091E, GM5091H, GT5224, GT3216m, GT3218m, GT3220m, GT3045m, GT5263E, GT5042j, GT5044j, GT5042b, GM5259H, GM5259E, GT5054b, GT5040, GT5012, GT5014, GT5012H, GT5014H, GT5016E, GT5016H, GT3020m, GT5018E, GT5020j, GT5022j, GT3020b, GT3016b, GT5026E, GT3022b, GT3035m, GT5040H, GM5048, GT5026j, GT5030j, GT5012b These are the ports on the rear of the computer. The following table provides more information. Item Description A Line-out jack B Center/subwoofer jack C Microphone jack D Line-in jack E Rear speaker jack F S/PDIF digital audio out G RJ-45 network port H Four USB 2.0 ports I IEEE 1394a port J VGA monitor port K Parallel port L Serial port M PS/2 mouse port N PS/2 keyboard port