IS2 - eMMC 5.0   This 2-day course covers the eMMC 5.0 specification

IS3 - Serial ATA III   This course covers SATA III

IS4 - Universal Flash Storage (UFS 2.0)   This course covers UFS 2.0 , which is the enhanced version of MMC standard

IS5 - SD UHS II (Ultra High Speed II)   This course covers UHS-II which is the enhanced version of SD