The Zune HD is a portable media player in the Zune product family released on September 15, 2009 by Microsoft. It was initially released in 16 and 32 GB capacities. A 64 GB version was released on April 9, 2010. It utilizes a touchscreen interface for navigation and includes Wi-Fi for synchronization, access to the Zune Marketplace and Web browsing. The Zune HD utilizes the Nvidia Tegra APX 2600 chip, allowing it to play 720p video through the optional HDMI Zune dock on a high-definition television. Otherwise, content will be scaled down to 480x272 pixels on the player's OLED touchscreen.