Looking for another CF Express card for my R5 and this is my first camera that has used them so haven't developed a favorite so far. Was generally using San Disk Extreme Pro SD cards and never had a problem with them but both some Lexar SD XC II for my R and was using them in my R5 and it kept crashing because they were too slow--probably my error. Don't want to make that mistake again. I currently have a SanDisk ExtremePro CF Express for my R5 and it seems to work great. Don't know whether to just stick with that or it folks have found something they think is more reliable/durable. Thanks--
Catherine
Catherine