HP ENVY Touchsmart 15 QUAD Edition Intel i7-4710HQ up to 3.5GHz 15.6" HD Touch LED 16GB RAM 1TB Hard Drive BEATS Audio WebCam (Certified Refurbished) Windows 8.1 64-bit; Intel Quad Core i7-4710HQ Processor (6M Cache, 2.5 GHz up to 3.50 GHz w/ Turbo Boost); HP Control Zone Trackpad; Optical Drive: DVD+/-RW 16GB DDR3 System Memory (2 Dimm); 1TB Hard Drive with HP ProtectSmart ; Intel HD Graphics; Integrated HD Audio; Beats Audio with 2 Speakers and a subwoofer designed for the best-sounding, richest audio available on a PC 15.6-inch Diagonal HD BrightView LED-Backlit Touchscreen Display (1366x768) with 10-finger multi-touch support; HP TrueVision WebCam with integrated digital microphone; Fingerprint reader Gigabit 10/100/1000 Ethernet Lan; 802.11 b/g/n WLAN; Multi-Format Digital Media Card Reader; 1-HDMI; 1-USB 2.0 and 2-High Speed USB 3.0 Manufacturer (Certified) Refurbished with 90 day HP Warranty (Extended Warranty Plans Available Directly from HP). Ships only within continental USA (please no PO BOX; APO/FPO/DPO and AK/PR/HI/GU/VI/MP).