Lenovo Ideapad U-550 15.6-Inch Black Laptop - Up to 6 Hours of Battery Life (Windows 7 Home Premium) 1.3GHz Intel Pentium Low Voltage Processor 3GB Memory 250GB Hard Drive, DVDRW Drive 15.6" HD LED Backlit Widescreen Glossy Display, Intel GMA 4500 MHD Graphics Windows 7 Premium, Up to 6 Hours of Battery Life