Hi Tat.The SD card has a capacity of up to 2 gigs while the SDHC card will take much more. So far as we know the stream has been tested with capacity up to 8 gigs. But there's at least a 16 gig SDHC card on the market. And Toshiba is working with 32 and 64 gig cards. Hope this helps. Lois Goodine.
