Toshiba Qosmio X505-Q894 18.4-Inch Laptop (Fusion Finish in Omega Black) Intel Core i7-740QM Processor 1.73 GHz (2.93 GHz with Turbo Boost Technology), 6MB L3 Cache Configured with 4GB DDR3 1066MHz (max 8GB) 2 main memory slots. Both slots occupied. 500GB (7200 RPM) Serial ATA hard disk drive with TOSHIBA Hard Drive Impact Sensor (3D sensor), Blu-ray Disc ROM and DVD SuperMulti drive with Labelflash supporting 12 formats 18.4" diagonal widescreen TruBrite TFT display at 1680 x 945 native resolution (HD) with native support for 720p content, NVIDIA GeForce GTX 460M with 1.5GB GDDR5 discrete graphics memory Genuine Windows 7 Home Premium 64-bit with a 12 cell/48Wh Lithium Ion battery pack; Battery Life (measured by MobileMark 2007): 3 hours, 47 minutes