The "300mb movie" phenomenon emerged as a solution to the hardware and infrastructure limitations of the mid-2000s to early 2010s. During this time, standard movie files (often in AVI format) were roughly 700MB to 1.4GB. The "8x" or "300mb" movement utilized advanced codecs—most notably —to shrink these files by more than half without a catastrophic loss in quality. Key Aspects of the 300mb Movie Era