Toshiba Qosmio X505-Q870 18.4 in. Notebook PC Operating System: Genuine Windows 7 Home Premium 64-bit Processor and Graphics: Intel Core i7-720QM Processor/ 1.6 GHz/ 2.8 GHz with Turbo Boost Technology, 6MB L3 Cache Mobile Intel PM55 Express Chipset NVIDIA GeForce GTS 360M with 1GB GDDR5 discrete graphics memory, plus up to 1274MB dynamically allocated shared graphics memory using NVIDIA TurboCache technology. Total Available Graphics memory 2298MB Memory: Configured with 4GB DDR3 1066MHz/ max 8GB/ 2 main memory slots. Both slots may be occupied. Storage Drive: 500GB/ 7200 RPM Serial ATA hard disk drive/ TOSHIBA Hard Drive Impact Sensor/3D sensor Fixed Optical Disk Drive: Blu-ray Disc ROM and DVD SuperMulti drive with Labelflash supporting 12 formats Maximum speed and compatibility: CD-ROM/ 24x, CD-R/ 24x, CD-RW/ 24x, DVD-ROM/ 8x, DVD-R/ Single Layer, 8x, DVD-R/ Double Layer, 4x, DVD-RW/ 6x, DVD plus R/ Single Layer, 8x, DVD plus R/ Double Layer, 4x, DVD plus RW/ 8x, DVDRAM/ 5x, BD-ROM/ 6x Use Labelflash media to burn high quality labels directly to disc Display: 18.4 inch diagonal widescreen TruBrite TFT LCD display at 1680 x 945 native resolution/ HD plus/ Native support for 720p content/ 16:9 aspect ratio Sound: Built-in harman/kardon stereo speakers Dolby Home Theater Input Devices: Premium US LED backlit keyboard/ black TouchPad pointing device with multi-touch control TouchPad Enable/Disable button Media Control Buttons: TOSHIBA eco utility/ Energy-saving mode/ Mute/ Media CD/DVD control buttons: Volume up, volume down Communications: Webcam and microphone 10/100/1000 Ethernet Wi-Fi Wireless networking/ 802.11b/g/n Bluetooth version 2.1 plus Enhanced Data Rate/ EDR Expandability: ExpressCard slot/ ExpressCard/34 and ExpressCard/54 Memory Card Reader: Secure Digital, Secure Digital High Capacity, Memory Stick, Memory Stick PRO, Multi Media Card/ shared