Dell 170L 2.8Ghz 1Gb CD-RW Drive No HDD Optiplex PC - Dark Gray & Dark Blue - Micro Tower - Front Mounted Dual USB Input - Front Mounted Audio Jack - Front Mounted Standby Button With Dual LED Status Indicators - Rear Mounted UK Kettle Power Cable Input - 4 x USB Inputs - Single RJ-45 Ethernet Network Connection Input - Triple Audio Jack (Input, Output & Microphone) - Dual PS/2 Input (Mouse and Keyboard) - VGA Input - 9-Pin Serial Input - 25-Pin Parallel Input