LENOVO ThinkCentre M58p 6137 SFF Core2Duo 3.0GHz, 4G DDR3, 250G, DVD, Windows 7 Home Premium, free powercord Intel Core 2 Duo e8400 3.0 Ghz processor 4GB DDR3, 160GB HDD, DVD reader Windows 7 Home Premium 64 bit - Fully Licensed 90 day limited warranty, 30 day return Power cord included