This HP Compaq dc5750 Business Desktop PC comes with an efficient and powerful AMD Athlon 64 X2 2.1GHz CPU, 1GB of DDR2 RAM, DVDRW optical drive, perfect for watching DVD movies or viewing stored information. This Small Form Factor HP Compaq DC5750 Desktop PC also comes with a 80GB HDD which provides a great performance and space to store your important office files, and LAN for fast networking. These components run with stability thanks to Microsoft"s Windows XP Professional operating system.