The ATC55 is a single board computer from Peak Electronic Design Ltd. It is based on a powerful ARM Cortex A8 i.MX6 processor and has an integrated 1.3GHz clock speed that can be increased to 1.6GHz. The ATC55 also has multiple communication ports, USB 2.0, HDMI, Ethernet, and can be powered from a 5V power supply. It also includes a 4GB DDR3 RAM, an onboard µSD card reader, 4GB onboard eMMC flash storage, and multiple GPIOs for applications requiring custom connections. The board measures approximately 155mm by 105mm and is estimated to consume only 1 - 2 watts making it very energy efficient.