Acer ES1 Laptop Intel Celeron N2840, 2.1GHz, 4GB, DDR3L SDRAM, 500GB HDD, Windows 10 (Diamond Black, 15.6-Inch.) 15.6" HD widescreen display; 1366 x 768 HD resolution; Energy-efficient LED backlight. Intel Celeron processor N2840; Intel HD Graphics; Windows 10 operating system; 4 GB DDR3L SDRAM; 500 GB 5400 rpm Hard Drive Bluetooth 4.0 interface syncs with compatible devices; 1 USB 3.0 port maximizes the latest high-speed devices; Also includes 2 USB 2.0 ports to connect other accessories. HDMI output expands your viewing options; Wireless and wired network connectivity; Built-in webcam with digital microphone