Lenovo ThinkPad T530 239248U 15.6 LED Notebook Intel Core i7 i7-3520M 2.9GHz 4GB DDR3 500GB HDD DVD-Writer Intel HD Graphics 4000 Bluetooth Finger Print Reader Windows 7 Professional 64-bit Black Processor: Intel Core i7-3520M Processor (2.90GHz | 3.6GHz Turbo | 1600MHz | 4MB) Operating System: Windows 7 Professional 64-bit Memory: 4.0 GB PC3-12800 DDR3 SDRAM 1600 MHz Storage: 500GB (7200rpm) Display: 15.6" HD+ (1600 x 900) (Matte / Anti-Glare) Battery: 6 cell (56.1 Wh) removable, 70+ Webcam: Low-light 720p HD camera with face-tracking Optical Drive: DVD Recordable Keyboard : ThinkPad Precission Island-style six-row keyboard, with Thinklight Intel Centrino Advanced 6205-N AGN 2x2 Dual Band WiFi Bluetooth 4.0 Graphics: Intel HD Graphics 4000 Audio: Dolby Advanced Audio 2.0 1 MiniDisplayPort with audio Ethernet RJ45 1 MiniDisplayPort with audio 1 VGA 1 3.5mm Combo Jack Headphone/MIC 2 USB 3.0 1 USB 2.0 1 Always on USB 2.0 1 4-in-1 SD Card Reader (SD/SDHC/SDXC/MMC slot) 1 Express Card 34mm Dimensions (W x D x H): 9.65" x 14.68" x 1.25" - 1.40" Weight: 5.56lbs Assembled in the USA