Hardware15.4" LED screen 15.4-inch (diagonal), 1440 by 900 resolution, 1080p HD widescreen display2.4GHz Intel Core 2 Duo processor8 GB RAM 1066 MHz DDR3 SD-RAM (PC3-8500)640GB 5400RPM Serial ATA driveSlot load 8x Super Drive (DVD±R DL/DVD±RW/CD-RW) Dual LayerOne FireWire 800, two USB 2.0 ports, and ExpressCard/34 slotBuilt-in 10/100/1000BASE-T (Gigabit); built-in 54 Mbps AirPort Extreme (802.11n); built-in Bluetooth 2.0+EDR15.4-inch LED High definition screen, 1440 by 900 resolution, 1080p HD display with NVIDIA GeForce 9600M GT with 512 MB of GDDR3 memory and mini DisplayPortOne FireWire 800, ExpressCard/34 slotMini DisplayPortLED Back-lit keyboard with ambient light sensors for automatic adjustment of keyboard illumination and screen brightnessInternal omnidirectional microphone and built-in speakersBluetooth 2.1Mac OS Snow Leopard 10.6 - U.S. EnglishiSight cameraAC Adapter