IBM ThinkPad T43 - 2668 - 1.86Ghz Centrino Mobile Technology, 1GB RAM, 40GB HD, Windows XP Pro, DVD/CD-RW, ATI Graphics 1.86GHz Intel Pentium M - Mobile technology Centrino Processor 1.0GB of RAM - PC2-4200 40GB Hard Drive - ATI Mobile Graphics Processor (ATI Radeon X300) - DVD/CD-RW Drive Windows XP Professional Edition 14.1inch TFT Display goes upto 1280 x 1024