>Arv. Just for you I have checked that. > >The RAW+JPEG LARGE FINE OPTIMUM quality is slower. It is about >10% slower than just taking RAW only possibly because reduced >buffer capacity. I measured 45.5 MB/s throughput. > >No matter how fast card you use the dual slot configuration is >always approx. 6.5% slower than storing RAW+JPEG on single >fast card. Looks like the memory buffer has only single write >port to card and thus the only one port is active at the >time.
Thank you very much for checking that! No need to invest on another fast card for this purpose.
And RAW+JPEG LARGE FINE OPTIMUM is the setting that I use so you definitely answered my question.