If you want to convert your videos to the popular H.264 format, then you need the Elgato Turbo.264 HD. The gadget also features support for HD camcorder formats including AVCHD, MPEG-2- and MPEG-4-encoded HD content. The Turbo.264 HD is smart enough to detect AVCHD camcorders automatically. The Elgato Turbo.264 HD USB Dongle is priced at $150 each.