Lenovo Ideapad 100 15.6-Inch Laptop, Intel Pentium N3540 (2M Cache, up to 2.66 GHz) Quad-Core processor, 4 GB RAM, 500 GB HDD, Windows 10, 80MJ00AEUS, Black 15.6-Inch HD Screen 1366 X 768, Integrated Graphics Intel Pentium N3540 (2.16 GHz, 2M Cache, with turbo up to 2.66 GHz) Quad-Core processor 4 GB DDR3 RAM, 500 GB 5400 rpm Hard Drive 1 USB 3.0, 1 USB 2.0, 1 HDMI output Weight 5.07 lb, up to 4 Hour battery, Windows 10