These new Aspire One D250 models have a faster Atom processor (1.66GHz, 667MHz FSB vs. 1.60GHz, 533MHz FSB) as compared to the original D250 SKUs. In addition, the six-cell, 5800mAh battery provides up to nine hours of power vs. the six-cell, 4400mAh battery with an expected life of up to six hours. OS: Windows XP Home Edition (SP3) Processor: Intel Atom Processor N280 (512KB L2 cache, 1.66GHz, 667MHz FSB) Memory: 1GB DDR2 533 SDRAM Storage: 160GB hard drive, 5400RPM; multi-in-one card reader TFT Display: 10.1" WSVGA (1024 x 600), Acer CrystalBrite Technology Graphics: Integrated Intel Graphics Media Accelerator 950 Communications: 802.11b/g WLAN, 10/100 LAN, webcam Battery: Six-cell, 5800mAh - Ruby Red