The Samsung Focus (also known as the SGH-i917 and Samsung Cetus) is a slate smartphone which runs Microsoft's Windows Phone operating system. It features a 1 GHz Qualcomm® Snapdragon™ processor, a 4.0-inch Super AMOLED screen, and 8GB of internal storage (expandable to 40GB with a 32GB microSD card). As of November 2011, it is the 4th lightest and thinnest Windows Phone, behind the Samsung Focus Flash, HTC Titan and the Samsung Focus S, a more high-end version of the original Focus.