iMac


		21.5-inch iMac 2.5GHz Quad-Core Intel Core i5 1920 x 1080 resolution 4GB (two 2GB) memory 500GB hard drive 8x double-layer SuperDrive AMD Radeon HD 6750M with 512MB		21.5-inch iMac 2.7GHz Quad-Core Intel Core i5 1920 x 1080 resolution 4GB (two 2GB) memory 1TB hard drive 8x double-layer SuperDrive AMD Radeon HD 6770M with 512MB

		27-inch iMac 2.7GHz Quad-Core Intel Core i5 2560 x 1440 resolution 4GB (two 2GB) memory 1TB hard drive 8x double-layer SuperDrive AMD Radeon HD 6770M with 512MB		27-inch iMac 3.1GHz Quad-Core Intel Core i5 2560 x 1440 resolution 4GB (two 2GB) memory 1TB hard drive 8x double-layer SuperDrive AMD Radeon HD 6970M with 1GB

Key Features
		All quad core. Quad-core Intel Core i5 and i7 processors across the line make iMac our most powerful all-in-one yet. So everything you love to do, from managing photos to watching video, is faster than ever before.
		All-new AMD graphics. iMac features an all-new AMD Radeon HD graphics processor that gives you graphics performance up to 3x faster than before. So HD videos look incredible, and your favorite games feel even more responsive.
		Thunderbolt. Thunderbolt technology lets you connect high-performance peripherals such as external drives to a single port - with data transfer rates up to 20x faster than USB 2.0 and up to 12x faster than FireWire 800.
		FaceTime HD camera. With FaceTime for Mac and the new FaceTime HD camera, you can make full-screen HD video calls that are astonishingly crisp. And a new widescreen format means everyone can join in.
		Wi-Fi and Bluetooth The latest 802.11n wireless technology in iMac makes it effortless to connect to a Wi-Fi network.⁴ iMac automatically finds available networks and lets you join them with a click. Bluetooth wireless technology is also built in, so you can use your favorite wireless accessories right out of the box.