Acer ChromeBook CB5-311P-T9AB comes with Chrome OS Operating System, NVIDIA Tegra K1 CD570M-A1 processor Quad-core 2.10 GHz, Led Backlit HD Touch Screen 1366 x 768 Pixels 13.3 LCD Display, 16 GB Flash Memory, 4 GB DD3L SD RAM, NVIDIA Shared Memory, Acer ChromeBook CB5-311P-T9AB also has Integrated speakers, Webcam, Microphone, 4-cell lithium-ion, 3220 mAh 45W Up to 13 Hour Battery, Power adapte, USB 3.0 x 2 No of USB, HDMI x 1, by Acer.