This product is discount for sale at Half price Before 2014's Christmas Day from China Electronic Store, purchase to visit: www.wholesaledigitalstore.com This model is powered by a 2.9 GHz quad-core Intel Core i5 processor with Turbo Boost speeds up to 3.6 GHz. It's complemented by Intel Iris Pro integrated graphics, which delivers a built-in, eye-popping visual experience — no extra graphics card required. 802.11ac: The New Definition of Fast The iMac now supports ultrafast 802.11ac Wi-Fi. When connected to an 802.11ac base station — including the new AirPort Extreme and AirPort Time Capsule — wireless performance is up to three times faster than with the previous generation. And your Wi-Fi range improves as well. Vivid Display Nothing will distract you from what you're viewing on the iMac's 21.5-inch display thanks to the innovative display design that reduces reflection by 75 percent while maintaining brilliant color and contrast. Additionally, in-plane switching (IPS) technology gives you a bright picture with excellent color from nearly any angle while the LED backlighting offers instant-on, uniform brightness. Thunderbolt and USB 3