 AVCHD and AVCREC also use inexpensive media like DVDs, but unlike BD9 and BD5 these formats have limited interactivity, codec types, and data rates.As of March 2011, BD9 was removed as an official BD-ROM disc.The BDXL format allows 100 GB and 128 GB write-once discs, and 100 GB rewritable discs for commercial applications.