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Apple iMac May 2011 Front
The 21.5-inch iMac comes in two standard configurations. The first costs £999 and comes with a 2.5GHz Intel Core i5 and a 500GB hard drive. It has 4GB of 1,333MHz DDR3 memory and a discrete AMD Radeon HD 6750M graphics card with 512MB of graphics memory.
The second base configuration adds a 2.7GHz i5 processor, a Radeon HD 6770M card and a 1TB hard drive, bringing the price to £1,249.
The desktop can be customised with a 2.8GHz i7 processor, a 2TB hard drive, up to 16GB of RAM and an additional 256GB solid-state drive (SSD), all at an additional price.
Included is a FaceTime HD camera, which can simultaneously support the display's native 1920 x 1080-pixel resolution and a second screen of up to 30 inches with a resolution of 2560 x 1600 pixels. It can handle high-definition FaceTime calls with any other HD–enabled Mac and standard resolution calls with iPad 2, iPhone 4, iPod Touch and other Intel-based Macs.
Unlike its 27-inch sibling, it comes with just one Thunderbolt port.
Photo credit: Apple