HP Compaq 6000 Pro All in One PC That is Very Useful For All Kind Of Users. It has a 21.5 Inch Monitor With Built-in CPU, Speaker, DVD WR. You Can add SSD and increase Ram with it. Here You Get Intel Core 2 Duo Processor Which Clock Speed Up To 3.17 GHz, DDR-3 4GB Ram, 320 GB SATA Hard Disk also. This All in One PC Comes into 1 Year Warranty..