General Features: Color: Black Microsoft Windows 7 Professional 64-bit Intel 4th Gen Core i3-4005u Dual-Core 1.7GHz processor 3 MB Intel Smart cache, 5 GT/s DMI, Intel Hyper-Threading Technology 4 GB DDR3 RAM (8 GB Max Support on 2 slots) 500GB SATA hard drive Intel HD Graphics 4400 Stereo speakers Integrated 10/100/1000 Mbps Ethernet LAN Intel 2X2 Dual Band Wireless-AC 7260 802.11AC Wi-Fi + BT 4.0 Built-in media card reader Integrated webcam Keyboard with touchpad Power, hard drive and battery status LEDs I/O Ports: One (1) HDMI port One (1) Mini DisplayPort Two (2) USB 3.0 ports One (1) RJ-45 Ethernet jack One (1) 3.5 mm Headphone/Microphone combo jack Supported Media: Secure Digital (SD) Secure Digital High Capacity (SDHC) Secure Digital Extended Capacity (SDXC) MultiMediaCard (MMC) MultiMediaCard plus (MMC+) Battery Specifications: 6-cell Li-ion battery type 65 Wh, 5800 mAh 11.1V Power Adapter Specifications: Input: 100-240V ~ 1.6A, 50-60Hz Output: 19.5V---3.34A Unit Dimensions: 0.