HP 15.6 Inch Laptop with Quad-Core A8-6410 2.0GHz, 4GB RAM, 750GB HDD, Windows 8.1 (Manufacturer Refurbished) This Certified Refurbished product is tested & certified by HP to look and work like-new. The product includes all original accessories, and is backed by a 90 days warranty AMD Quad-Core A8-6410 Processor up to 2.4GHz Frequency, 4GB DDR3 RAM (2 slots, 1 user accessible), 750G HDD; 15.6" HD BrightView Display with WLED Backlighting 1366x768, AMD Radeon R5 Built-in Graphics; SuperMulti DVD Burner, HD Webcam with Mic, 1 USB 3.0 Port, 2 USB 2.0 Ports, 1 HDMI Port, 802.11b/g/n WiFi; Windows 8.1 64 Bit, upgradable to Windows 10