Lenovo Thinkpad W520 15.6 Screen Display Intel Core Ci7 2nd Generation 8GB Ram 500GB DVD 2GB NVIDIA Graphics Specification: Screen display area size with foot 15.6 Inch Maximum screen resolution 1600 x 900 Processor 2.20 core_i7 RAM 8 GB DDR3 HDD 500 GB Graphics Coprocessor Intel HD Graphics Chipset Brand NVIDIA Description of the card Dedicated Wireless connection type 802.11n Hardware platform Pc OS Windows Product weight 1.6 ounces Product dimensions 18 x 18 x 9 inches Item dimensions Length x Width x Height 18 x 18 x 9 inches Processor brand Intel Number of processors 1 Power source AC And amp: Battery Batteries 1 Lithium ion (Type of battery required)