Dell Inspiron 15 7000 Series Flagship High Performance 15.6" Touchscreen Laptop, Intel Core i7-5500U 3GHz,12GB RAM, 1TB HDD, Backlit Keyboard, HDMI, WiFi, Webcam, Windows 10 5th Gen Intel core i7-5500U 2.4GHz processor (4MB cache, up to 3.0 GHz with Tourboboost technology) 12GB dual channel DDR3L 1600MHz (8GB + 4GB) memory expandable to 16GB, 1TB 5400 RPM hard drive 15.6" touch-screen LED-backlit HD display (1366 x 768 resolution, 16:9 aspect ratio), Intel HD Graphics 5500, optical drive not included; full-sized backlit keyboard, built-in HD webcam with two microphones, Waves MaxxAudio Pro with built-in stereo speakers, 1 headphone/microphone jack 802.11ac Wi-Fi, bluetooth 4.0, 10/100 Mbps ethernet port, 1 HDMI port, 2 USB 3.0 ports, 1 USB 2.0 port, 3-in-1 SD card reader (supports SD, multi-media card, SDHC and SDXC memory card formats) Windows 10 Home 64-bit, 4.85 lb, 0.8" thin (14.9 x 10.3 x 0.8), silver