I bought my card for Olympus E-5 with the Silicon Power 16GB Professional CF. The cards from SanDisk and Lexar were simply too expensive. Silicon Power is probably more widespread in the United States than here. In English-speaking forums can be found very positive comments. In Tom's Hardware have cards Silicon Power were tested as well auich.
In my SLR "runs" the card "like hell", I am impressed by the speed quite. Made it with my old Transcend still clack clack ---------- ---------- ---------- clack wait long, it is now:
clack, clack, clack, clack, clack, clack, clack, clack, short wait. Ok, that's not objective but subjective world of difference between the cards.
The stopwatch I have come to the following Ergebisse (all measured only amateurish):
Number of images after 10 s:
Silicon Power 16GB - 600x - CF -> 23 Images
Maxflash 8GB - 233x - CF -> 12 Images
Sony 32GB - Class 10 - SD -> 13 Images
Additional Time to full readiness:
Silicon Power 16GB - 600x - CF -> 4,910 s
Maxflash 8GB - 233x - CF -> 14.737 s
Sony 32GB - Class 10 - SD -> 30.355 s
Data Rate CF to SSD:
Silicon Power 16GB - 600x - CF -> 28 MB / s
Maxflash 8GB - 233x - CF -> 20 MB / s
Sony 32GB - Class 10 - SD -> 16 MB / s
These figures should not be taken to accurately but because CF and SD cards in the SLR and the PC work with different controllers.
I was fully convinced that card. Just the time to full readiness was very important for me because 15s or 30s waiting until all data from the camera's internal memory to the card land, I take too long.
Hope to have helped a little
Greetings from Matze