S12 12.1" 160GB HDD White Box Contents - Lenovo IdeaPad S12 2959-33U Netbook, 6-Cell Battery Pack, AC Adapter; Software Bundle - Windows XP Home Intel Atom N270 1.6GHz Processor 512KB L2 Cache, 533MHz Bus Speed 1024 MB DDR2 (PC2-5300) RAM Max - 2GB 160 GB (5400RPM) Hard Drive