Toshiba Satellite A305-S6858 15.4" Notebook (2.0GHz Core 2 Duo T5750 4GB RAM 320GB HDD DL DVD-RW Vista Home Premium) Microsoft Windows Vista Home Premium Edition 64-bit operating system with Service Pack 1, face recognition log-in function that can be used with or without a traditional password, LoJack for Laptops for state of the art security 320GB Serial ATA hard drive,Intel Core2 Duo mobile processor T5750. 4GB PC5300 DDR2 SDRAM. SuperMulti DVD(+/-R double layer) with Labelflash, Integrated Wi-Fi compliant wireless LAN, Webcam and microphone built into 15.4" LCD bezel. 10/100 Ethernet RJ-45 LAN port Fusion finish with Horizon pattern 4 USB 2.0 ports with Sleep and Charge,i.LINK IEEE-1394 port S-Video output port FM Tuner with antenna