HP ENVY 15 QUAD Edition Intel Quad Core i7 up to 3.5GHz 15.6" HD LED 8GB Ram BEATS Audio WiFi HDMI USB 3.0 Web Cam (Certified Refurbished) 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) Windows 8.1 64-bit; Intel Quad Core i7-4710HQ Processor (6M Cache, 2.5 GHz up to 3.5 GHz w/ Turbo Boost) 8GB DDR3 System Memory (up to 16GB); 1TB Hard Drive with HP ProtectSmart ; Intel HD Graphics 4600; HP TrueVision WebCam with integrated digital microphone; Fingerprint reader; DVD+/-RW 15.6-inch Diagonal HD BrightView LED-Backlit Display (1366x768); Integrated HD Audio; Beats Audio with 2 speakers and a subwoofer designed for the best-sounding, richest audio available on a PC Gigabit 10/100/1000 Ethernet Lan; 802.11 b/g/n WLAN; Multi-Format Digital Media Card Reader; 1-HDMI; 3-High Speed USB 3.0; RJ-45