How Different Are U1 vs U3 SD Memory Cards & CF vs XQD Cards?
SanDisk 64GB Extreme PLUS microSD UHS-I Card - Apple
8GB SDHC Class 10 Everything But Stromboli U1/V10 Memory Card - Everything But Stromboli
Gigastone 128GB 2-Pack SD Card UHS-I U1 Class 10 SDXC Memory Card High Speed Full HD Video Canon Nikon Sony Pentax Kodak Olympus Panasonic Digital Camera, with 2 Mini Cases