"20 MB read-write transfer rate & 4 GB memory. I like the high data transfer rate for recording raw + jpeg images on my Canon G9 Power Shot camera & the large storage capacity." says MrCoffee
I purchased this card for use in a Canon A710 IS digital camera, both on land, and in an underwater housing while scuba diving. I recently took 500+ high res pictures plus video clips, with a lot of room to spare on the card. The picture info seems to (more)
"Needed it, actually it was the step up from that listed above (Ultra III) and it was much cheaper at Best Buy as opposed to Circuit City (CC had Ultra III 2GB for $50 and BB had double the product for only $10 more). This memory is a MUST if you have a DSLR and shoot RAW (or not) and want the pictures to process FAST so you get every shot." says krazyfingerzz
