Transcend 4 GB High Speed SDHC Class 4 Flash Memory Card As high-tech gadgets become increasingly advanced with ever-improving video and audio quality, memory card write speed plays an important role in taking high-resolution pictures and shooting high definition videos. Featuring ultra fast transfer speeds of up to 20MB/s, Transcend SDHC cards provide excellent performance tailored for high-speed consecutive shooting as well as smooth Full HD video recording.To match up today's DSLR cameras that can fill memory cards quickly, Transcend's SDHC cards are offered in high-capacity sizes up to 32GB. Now you can store your entire digital masterpieces on your high-end digital cameras, HDTV digital video cameras, or any other memory-hungry devices, without worrying about running out of space.