4GB PREM SDHC SD FLACARD HICAP MEM CLASS 6 Verbatim SDHC cards offer optimal performance for your SDHC digital camera or other SDHC slot equipped device. Featuring the industry's highest performance rating (Speed Class 6 rated), and minimum Write and Read speeds of 9MB and 10MB/sec respectively, Verbatim's SDHC card offers superior video capture/playback characteristics and fast photo upload/downloads to/from your PC as compared to lower performing Class 2 and Class 4 speed rated cards.