Samsung R439 NP-R439-DT0AVN Intel Core™ i3 Processor 370M (2.4 GHz, 3 MB)/ 4GB DDR3 1066MHz/ 320Gb (SATA 5400 rpm)/ ATI Mobility Radeon™ HD 545v 512MB / Super Multi DL/ 14.0" LED HD (16:9, Gloss - 1366x768), LED Backlit LCD/ Wireless 802.11 bgn+BT2.1/ webcam 1.3m/ Battery 6 Cells (4400mAh)~ 5h"/ "Two built-in stereo speakers 3rd Generation Dolby Home Theater® audio enhancement S/PDIF (Sony/Philips Digital Interface) support for digital speakers Built-in microphone"/ HDMI, VGA/ 4 USB/ "2.3kg 343.9x239x30.5~37.9/DOS, 1Y warr