Alienware M15x Gaming Laptop Intel CoreTM i7-720QM processor Features a 6MB cache and 1.6GHz processor speed with Turbo Boost up to 2.8GHz. 500GB 7200RPM SATA Hard Drive; Slot-loading Dual-Layer (DVD+/-RW) 6GB Memory, DDR3, 1333MHz, Expandable to 16GB 15.6" high-definition plus widescreen display With 1600 x 900 resolution showcases movies and games in stunning clarity. NVIDIA GeForce GTX 240M graphics Features 1GB video memory for lush images. HDMI output for connection to an HDTV. Built-in stereo speakers with high-definition surround sound audio 5.1 support.