I used to have an 8gb Class 4 SDHC Kingston card. And I was able to record videos up to 10 mins on my 550D. Recently I got another 32gb SDHC Kingston Class 4 from a fellow forumer but it seems that with the higher capacity, the write speed seems to be a lot slower.
I can only record videos only for a few seconds. And on continuous burst mode, sometimes the camera will take some time to write the photos onto the sdhc card.
Wonder why is this so. Is it because of the high capacity or something is wrong with my card?