Lenovo G550 - Grey - 29586SU

Processor
Intel® Pentium® Processor T4400 ( 2.20GHz 800MHz 1MB )

Operating system
Genuine Windows 7 Home Premium 64

Graphics
Intel Graphics Media Accelerator 4500M

Memory
4 GB PC3-8500 DDR3 SDRAM 1066MHz

Display
15.6 " WXGA LED Backlight TFT 1366x768

Pointing device
Industry Standard Touchpad

Hard Drive
320GB 5400

Optical Drive
DVD Recordable (Dual Layer)

Battery
6 Cell Lithium-Ion

Network Card
Broadcom 11b/g Wi-Fi wireless

Finger Print Reader
None

Warranty
One year parts and labor (system battery: one year)

Source : lenovo