Quality refurbished HP DC7800. Features a powerful Intel Core 2 E6550 2.33Ghz processor so multitasking becomes faster. Computer features a large 160Gb hard disk so you can store films, music and pictures. 2Gb of memory will ensure the computer runs smoothly. There is a DVD/CDRW drive so you can watch films, copy CD's and also burn discs. 17" monitor is also included.Computer has been made wireless so you can connect it to your wireless network. Windows Vista Business is the operating system.