Dell - Inspiron 15.6" 4K Ultra HD Touch-Screen Laptop - Intel Core i7 - 12GB Memory - 1TB Hard Drive - I7548-7858SLV Silver Enjoy lifelike picture clarity with this Dell Inspiron I7548-7858SLV laptop, which features stunning 3840 x 2160 4K Ultra HD resolution on an intuitive touch-screen display. An HDMI output enables connection to an HDTV. // Optical drive not included (Compatible with optional external CD/DVD drives sold separately). 5th Gen Intel Core processors, Windows 8.1 and a 4K Ultra HD display  the sharpest of any Inspiron  offer a truly impressive PC experience. 4K Ultra HD (UHD) resolution (3840 x 2160): Along with IPS technology delivers stunning picture clarity for brilliant visuals while gaming or watching movies // 15.6 5th Gen Intel Core i7-5500U processor: Features a 4MB cache and up to 3.0GHz processor speed with Turbo Boost. Delivers efficient multiway processing for ultimate smart performance. Intel Turbo Boost Technology delivers extra performance when you need it and increased energy efficiency when you don't. // Bluetooth 4.0 technology: Pairs easily with other Bluetooth-enabled devices. // Weighs 4.65 lbs. and measures just 0.78 12GB DDR3L memory: For multitasking power, expandable to 16GB. // 1TB hard drive: Offers space for you to store personal files, including music, films and more. // Built-in dual-band 2.4GHz and 5.0GHz Intel 7265 wireless LAN (802.11ac) Delivers rapid wireless Internet access. AMD Radeon R7 M270 graphics: Features 4GB DDR3 dedicated video memory for crisp, clear images. An HDMI output enables flexible connectivity. // Built-in high-definition webcam: Makes staying in touch with friends and family simple by video chatting in 720p resolution. // Multiformat media reader: Supports SD and MMC formats // 2 USB 3.0 ports (1 with PowerShare) and 1 USB 2.0 port For fast data transfer. // Microsoft Windows 8.1 64-bit operating system preinstalled Offers a stable computing platform.