I use a SanDisk Extreme Pro rated 95MB/s Class 10. No issues. 16GB or 32GB recommended. 64GB are problematic. 32Gb SD card will record something like 780 minutes!
Info for Mac users: When you try to play back your PDR files on a Mac computer you will not hear the sound! There is an issue with QuickTime which is the default program that opens video files. There is a free program (the author asks for a $5 donation - well worth it IMHO) that you can download and use to open your PDR files and then you get to hear that great Corvette sound. I'm not sure I can mention the vendor as the rules are rightfully strict on this forum but if you need help with this issue on your Mac shoot me an email at
[email protected] and I will send you the info. Hopefully one of the "Brass" will let me know if it is OK to post this fix.There is also a fix to use if you want to import the PDR files to iMovie. If you import the files straight to iMovie, again, there will be no sound.