Toshiba Satellite Radius P55W 15.6" 2-In-1 4K Ultra HD Touchscreen Laptop, Intel Core i7-6500U Processor, 12GB RAM, 1TB HDD, Backlit Keyboard, Windows 10, Carbon Gray Intel Core i7-6500U Dual-Core Processor 2.5GHz up to 3.10GHz with Max Turbo Speed, Cache L3 - 4 MB , Intel HD Graphics 520 12GB(1x4GB and 1x8GB) DDR3L SDRAM 1600 MHz RAM, 1TB 5400RPM SATA Hard Drive. No optical Drive 15.6" 4K Ultra HD 3840x2160 TruBrite LED-backlit IPS Touchscreen Display, HD webcam, 1x USB Sleep and Charge, 1x USB 2.0, 2x USB 3.0 Premium Frameless LED Backlit Keyboard with 10 key, Clickpad; 802.11ac WIFI and Bluetooth, 1xEthernet port, 1xMemory Card Reader (SD Card, MultiMediaCard, SDHC Card, SDXC UHS Card), Harman/Kardon Stereo Speakers, DTS Sound, TruTalk Dual Microphones with Beam Forming Technology, Dimension 14.9"x9.6"x0.79"; Weight 4.96lbs Microsoft Windows 10 Home 64-bit. 3 cell lithium-ion battery, Battery life up to 6 hours. Color Carbon Gray