Dell Latitude E6520 Intel i7 Quad Core 2200 MHz 320Gig Serial ATA HDD 8192MB DDR3 DVD ROM Wireless WI-FI 15.0&rdquo; WideScreen LCD Genuine Windows 7 Professional 64 Bit Laptop Notebook Computer Dell Latitude E6520 Quad-Core i7 2720QM 2.2GHz 8GB 500GB nVidia 15.6" Win 7