HP Pavilion dv4-4141us Entertainment Notebook PC (Intel Core i3-2330M CPU, 4GB Memory, 640GB Hard Drive, 802.11bgn WLAN, Bluetooth, DVD&plusmn;RW) 2.20 GHz 2nd generation Intel Core i3-2330M Processor 4GB DDR3 SDRAM (1 DIMM), Maximum supported = 8GB. 640GB 5400RPM Hard Drive 14.0-inch diagonal HD BrightView LED-backlit Display (1366 x 768). Intel HD Graphics 3000, video memory support up to 1696MB SuperMulti DVD burner, Digital Media Card Reader for Secure Digital and Multimedia cards, 3 Universal Serial Bus (USB) 2.0, 1 HDMI, 1 Headphone-out, 1 Microphone-in 802.11b/g/n WLAN and Bluetooth, HP TrueVision HD Webcam with integrated digital microphone, 6-cell 55WHr lithium-ion battery