21.5-inch (diagonal) LED-backlit display with IPS technology; 1920x1080 resolution with support for millions of colours

More energy efficient.Not only does this iMac offer higher performance than any previous iMac, it's also more energy efficient, using up to 50 per cent less energy in the idle state with the display on. And its hardware components work hand in hand with the operating system to conserve even more power.

Friendly to the environment.The environmentally friendly iMac is free of many harmful toxins, including mercury, arsenic, BFRs and PVC. It's also made from materials such as aluminium and glass, which are more likely to be recycled and reused.

Highly rated designs.As a result of all our efforts, iMac meets the stringent low power requirements set by the US Environmental Protection Agency, giving it ENERGY STAR 5.2 qualification. And it has earned the highest rating of Gold from EPEAT, which evaluates the environmental impact of a product based on how recyclable it is, how much energy it uses and how it's designed and manufactured.