Intel Atom Processors N270: 1.60GHz, 533MHz, 512KB L2 cache. 1GB DDR2 533MHz (1GBx1) up to 2GB (1 SODIMM slot support only). 160GB 5400RPM SATA. Intel 945GSE Express chipset. 10/100/1000, Fax Modem. 3 Cell Battery. 3 USB. 8-in-1 Card Reader/Express Card.