Benchmark of SDHC 16GB Sandisk Extreme HD Video (UHS-I, 45MB/s*, 300X, 10 class) on 600D

Same slow 21MB/s as my old SanDisk Ultra (Class 10, 30MB/s*).
So, I guess no luck for good RAWs on 600D, until any optimizations (maybe compression, or something...).
Will hope for good.