Max Turbo Frequency: 3.7 GHz Intel Smart Cache: 8 MB 8 GB DDR3 SDRAM 750GB SATA hard drive Slot-loading SuperDrive DVD±RW DL drive NVIDIA GeForce GT 650M graphics Integrated audio with built-in stereo speakers 10/100/1000 Gigabit Ethernet 450 Mbps AirPort Extreme wireless LAN w/MIMO (802.11n) Bluetooth Wireless 4.0 SDXC card slot 720p FaceTime HD camera with omnidirectional microphone Full-size, illuminated keyboard with ambient light sensor; scrolling Trackpad 15.4-inch TFT widescreen LED-backlit LCD display (1440 x 900)This Used product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box.15.4-inch (1440 x 900) LED DisplayIntel Core i7-3820QM Processor (Quad-Core, 2.7GHz, 6MB Cache)8GB DDR3 System Memory750GB (5400RPM) SATA Hard Disk Drive (HDD)Dedicated NVIDIA GeForce GT 650M Graphics (1.0GB Dedicated Video Memory)SuperMulti-DVD Burner2 x USB 3.0, 1 x USB-CBacklit Standard Keyboard and Multi-touch Trackpad1MP Webcam and Integrated Microphone10/100/1000 Gigabit Ethernet, IEEE 802.11a/b/g/n and Bluetooth 4.0 + HS6-cell Lithium-Polymer Battery with up to 6 hours of useOperating System: Apple Mac OS X 10.714.3" x 9.8" x 0.9" (HxWxD); 5.6lbs