 "Transcend TS64GUSDU1 - flash memory card 64 GB SDXC UHS-I" " Transcend UHS-I Flash Memory Cards CDW.com
"Combining next-generation Ultra High Speed Class 1 technology with extra large capacity, Transcend microSDXC UHS-I memory cards not only provide the best possible performance during a host of mobile activities but also enough storage space to carry an entire collection of personal media files.Today's advanced smartphones and tablets are fast and powerful, with memory- hungry apps and full-HD recording capabilities that perform best with high-speed, high-capacity storage media. Offering vast storage space and superior read/write speeds, Transcend's micro SDHC card is the perfect memory upgrade solution to keep pace with your mobile lifestyle." 
 "Sandisk 64GB Extreme Pro SDSDXXG-064G SDXC Card r95MB/s w90MB/s Class 10 UHS-I U3 4K V30"
 media players video cameras "64GB Sandisk Extreme Pro SDXC 9-pin Class 10 UHS-I U3 4K V30 up to 95MB/s Read and 90MB/s Write speeds 2.7V 3.3V voltage support 24mm x 32mm 2.1mm Secure Digital Extended Capacity Card for digital other flash devices"