CPU: Intel Core i7 Processor OS: Genuine Windows 7 Home Premium Chipset: Intel PM55 Memory: DDR3 1066/1333MHz, 3 slots, Max: 12GB LCD Size: 16" TFT-LCD Display (LED Backlight) Graphics: NVIDIA Geforce GTX 285M 3D Graphic Card Graphics VRAM: GDDR3 1GB HDD (GB): 2.5" 320/500GB SATA Optical Drive: Super-Multi/Blu-Ray Audio: 2 HD Speakers+1 Subwoofer Webcam: HD Webcam Card Reader: XD/SD/MMC/MS LAN: 10/100/1000 WLAN: 802.11b/g/n Bluetooth: optional D-Sub (VGA): 1 HDMI: 1 USB 2.0 port: 2 USB 3.0 port: 2 eSATA: 1 eSATA/USB Combo: N/A Mic-in/Headphone-out: 1 Express Card: 1 Modem port: N/A Line-in: 1 Keyboard: 103 keys AC Adapter: 150W Battery: 9 cells Dimension: 374 (L) x 246 (W) x 26.8-35 (H) mm Weight (KG): 3.5