HP Touchsmart 15-r221 Sleek PC Intel Quad Core up to 2.66GHz 4GB 1TB 15.6" Touch WLED DVD+/-RW HDMI (Certified Refurbished) Manufacturer 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). Only 1-inch thin HP Design in Stone Silver Color; Windows 8.1 - 64-bit version; Pentium N3540 Quad (4) Core 2.16GHz with Turbo Boost up to 2.66GHz (2MB L2 Cache); 4GB DDR3 System Memory (1 Dimm); 1TB (1000GB) Hard Drive with HP ProtectSmart; Optical Drive: Super Multi DVD+/-RW with Double Layer Support 15.6-inch diagonal HD WLED touchscreen display (1366x768); DTS Studio Sound + with 2 Speakers; HD Audio; Intel Graphics; HP TrueVision HD Webcam with integrated digital microphone; Full-size keyboard; HP Imagepad supporting multi-touch gestures without on/off button; Fast 10/100 Ethernet Lan (RJ-45 connector); 802.11 b/g/n WLAN; Multi-Format Digital Media Card Reader; 1 SuperSpeed USB 3.0; 2 Universal Serial Bus (USB) 2.0; 1 x HDMI port; 1 x headphone/microphone jack, 1 x RJ-45 Ethernet port