SanDisk Extreme 3.0 64GB only works in 2.0

USB Flash Drives All USB Flash Drives
2

This may help. Good Luck ! https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CDkQFjAB&url=http%3A%2F%2Fwww.tomshardware.com%2Fanswers%2Fid-1945302%2Fusb-memory-stick-works-usb-ports.html&ei=kj_AVJLjFsuqyASgsYG4Cg&usg=AFQjCNGsCBdvQqSGXPQvGKCFCyPoqBqNDQ&sig2=6JkALSRoytmOwRDrca-LWQ&bvm=bv.83829542,d.aWw