Techniques for buffering data over high bandwidth networks are provided. A first portion of data is downloaded into a buffer at a first download speed. The first portion of data is outputted from the buffer. Upon determining that data is being downloaded at a second download speed greater than the first download speed, it is determined to use a cache for one or more subsequent portions of data, and a second portion of data is downloaded into the cache. Upon determining that the buffer is empty, the second portion of data is outputted from the cache.