[jonnythan]

Originally Posted by CovKid66

Class is measured the same as CD-ROMs e.g. 150 kB/s (1x = 150 kB/s). Class 2 = 300 Kb/s and class 6 is 900 kB/s. You do the rest of the math

http://en.wikipedia.org/wiki/Secure_Digital

Class 6 is 900 kB/s? Then how am I getting over 6000 kB/s from my Class 6?

No, sorry. Class 2 means 2 MB/s, which is actually 13x. Class 6 is 6 MB/s, or 40x. And these are minimum write speeds, meaning you will have at least that speed on all writes. Reads are generally much faster.

http://en.wikipedia.org/wiki/SDHC#SD..._Class_Ratings