TOUCH Satellite C55DT-B - Textured Resin in Jet Black. 15.6" diagonal widescreen TruBrite TFT display at 1366 x 768 native resolution (HD), Native support for 720p content, 16:9 aspect ratio, LED backlit, AMD Quad-Core A8-6410 Accelerated Processor with AMD Radeon R5 Graphics, Base 2.0 GHz, up to 2.4 GHz, Windows 8.1, 6GB DDR3L 1600MHz (not user upgradable), 2 memory slots, 750GB (5400 RPM) Serial ATA hard disk drive, DVD SuperMulti drive supporting 11 formats - Maximum Read speed and compatibility: CD-ROM (24x), CD-R (24x), CD-RW (16x), DVD-ROM (8x), DVD-R (8x), DVD-R DL (6x), DVD-RW (6x), DVD+R (8x), DVD+R DL (6x), DVD+RW (8x), DVD-RAM (5x), Built-in stereo speakers, Standard Keyboard with 10-key (black), Touch pad pointing device with multi-touch control, HD webcam with microphone, 10/100 Ethernet, Wi-Fi Wireless networking (802.11b/g/n), Bluetooth v4.0.