This power packed ThinkCentre business desktop computer comes with an AMD Athlon™ 64 X2 4400+ processor running at 2.20GHz. The 80GB SATA hard drive has great speed and plenty of space to store your important files. This model includes a CD-RW/DVD-ROM Combo Drive. The Lenovo ThinkCentre A61 9144-ALU Desktop PC has 1GB of DDR2 RAM standard and 2 slots available. The motherboard also comes with state-of-the-art ATI Radeon X1250 Graphics. And all these components run with stability thanks to Microsoft’s Windows XP Pro operating system. This Lenovo ThinkCentre A61 9144-ALU Desktop PC is small, but it’s ready to work hard for your business.