SanDisk Ultra 32 GB SDHC SD Class 10 U1 Flash Memory Card 120MB/s UHS-I HD 619659183813 | eBay
How Different Are U1 vs U3 SD Memory Cards & CF vs XQD Cards?
Speed Class | SD Association
HIGH SPEED SD CARD SDHC/XC 100MB/S UHS-I V10 U1
How Different Are U1 vs U3 SD Memory Cards & CF vs XQD Cards?
Amazon.com: Gigastone 32GB 5 Pack SD Card UHS-I U1 Class 10 SDHC Memory Card High Speed Full HD Video Canon Nikon Sony Pentax Kodak Olympus Panasonic Digital Camera, with 5 Mini Cases :