Quality refurbished HP DC7800. Features a powerful Intel Core 2 E6550 2.33Ghz processor so multitasking becomes faster. Computer features a large 80Gb 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. Windows Vista Business is the operating system.