HP 15.6" High Performance Touchscreen Laptop- Intel Pentium N3530 Dual Core Processor, 4GB Memory, 500GB HDD, DVD+RW, HDMI, Webcam, WIFI, Win 8.1,Black Intel Pentium N3710 Quad-Core processor, 1.60 GHz (up to 2.56 GHz with turbo technology), Intel HD Graphics,15.6" HD (1366 x768) Backlit LED touchscreen display 4 GB DDR3L-1600 SDRAM system memory, 500 GB 5400 RPM SATA hard drive, SuperMulti DVD/CD Burner 15.6" HD BrightView WLED-backlit touchscreen display, multi-touch enabled, Front-facing VGA webcam with integrated digital microphone, Full-size island-style keyboard with numeric keypad, Touchpad supporting multi-touch gestures without on/off button 1x Multi-in-1 Card Reader, Webcam, wifi, 1 x DC-in, 1 x Ethernet, 1 x HDMI, 1 x Headphone/Microphone, 1 RJ-45 (LAN), 1 x USB 2.0, 2 x USB 3.0, HD Audio with stereo speakers Windows 10 home 64-bit; 3-cell lithium-ion battery up to 7 hours battery life. Color: Black, Dimension: 12.01 x 19.02 x 2.72 Inches