We are SPECIALIZED in wholesale supply of brand new 100% original China brand computer factory unlocked, Such as apple macbook, Samsung, asus, Toshiba, lenovo, Acer,HP,And so on. Order from www.saleholy.com Specifications Display 21.5-inch (diagonal) LED-backlit display with IPS technology; 1920-by-1080 resolution with support for millions of colors Processor 2.7 GHz quad-core Intel Core i5 (Turbo Boost up to 3.2 GHz) with 4 MB shared L3 cache Storage 1 TB (5400 RPM) hard drive Memory 8 GB of 1600 MHz DDR3 memory (two 4 GB; maximum of 16 GB) Graphics Intel Iris Pro internal graphics processor Video Thunderbolt digital video output (native Mini DisplayPort output); compatible with DVI, VGA, and dual-link DVI output using optional adapters Audio Stereo speakers; dual microphones; headphone/optical digital audio output (minijack); support for Apple iPhone headset with microphone Connections Two Thunderbolt port (up to 10 Gbps) Four USB 3 ports (up to 5 Gbps; compatible with USB 2) SDXC card slot Gigabit Ethernet port