Apple iMac - 21.5 and 27-inch Powerful iMac Computers

Faster and More Powerful iMac The new Apple iMac 21.5-inch, 1920-by-1080 display has 17 percent more pixels than the previous 20-inch iMac. The new Apple iMac 27-inch, 2560-by-1440 display features a whopping 78 percent more pixels than the 21.5-inch Apple iMac desktop computer. And what’s more, a 1000:1 contrast ratio assures you more vibrant colors and blacker blacks; all that in a widescreen display with a 16:9 aspect ratio — the same as an HD TV. With quad-core

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