Microsoft Windows XP Professional AMD Turion 64 Mobile Technology ML-37(1MB L2 cache, 2.0GHz) Radeon Xpress 200M Chipset 1GB (512MB installed in each of two memory slots) DDR333 SDRAM (upgradeable to 2 GB total) 100GB Ultra ATA/100 hard drive (5400 rpm) Integrated DVD-Super Multi double-layer drive 5-in-1 card reader for optional MultiMediaCard , Secure Digital card, Memory Stick , Memory Stick PRO or xD-Picture Card 15.4" WSXGA+ (1680 x 1050) TFT LCD, up to 16.7 million colors ATI MOBILITY RADEON X700 graphics, 128MB DDR memory Dimensions & Weight: 14.3" (363.0mm) W x 10.5" (265.7mm) D x 1.2" - 1.4" (30.5mm - 34.3mm) H. 6.3 lb. (2.9kg) DVD Super Multi Drive: Read -- 24X CD-RW, 24X CD-ROM, 24X CD-R, 8X DVD+R, 8X DVD-R, 8X DVD-ROM, 4X DVD+RW, 4X DVD-RW, 3X DVD-RAM, 2.4X DVD+R (double-layer) Write -- 24X CD-R, 8X DVD+R, 8X DVD-R, 4X DVD+RW, 4X DVD-RW, 4X CD-RW, 2.4X DVD+R (double-layer), 2X DVD-RAM