Lenovo IdeaPad U550
15.6-inch 720p (1366×768) glossy display with LED backlighting (220 nits, 500:1 contrast)
Windows 7 Home Premium 64-bit
Intel Core 2 Duo SU7300 processor (1.3GHz/3MB L2/800MHz FSB)
Switchable graphics:
Integrated power-saving Intel Graphics Media Accelerator 4500MHD
Dedicated high-performance ATI Mobility Radeon HD 4330 512MB
4GB DDR3-1066 RAM (2x 2GB)
320GB 5400RPM hard drive (Fujitsu MJA2320BH G2)
Intel Wireless WiFi Link 5100 AGN
Built-in Bluetooth v2.1+EDR
8X DVD burner
One-year limited warranty
6-cell Li-ion battery (57Wh/5200mAh/11.1V)
Weight: 5.3 lbs
Dimensions: 14.8″ (X) x 9.9″ (D) x 0.9″ ~ 1.2″ (H)