 "SanDisk 64GB Class 4 SDXC Flash Memory Card- SDSDB-064G-B35 (Label May Change)" "Accessories | Ultimate Camera Shop"
"64GB Sandisk SDXC 9-pin Class 4 min 15 MB/s Read and 4 MB/s Write speeds 2.7V to 3.3V voltage support 24mm x 32mm x 2.1mm SDHC Secure Digital High Capacity Card for digital cameras, video cameras, media players, and other flash devices" 
 "Transcend 128GB SDXC Class 10 UHS-1 Flash Memory Card Up to 90MB/s (TS128GSDXC10U1)" "Camera & Photo Accessories - Page 31 | All Tech Toys"
"Combining the already impressive Class 10 specification with the performance boost of UHS-I, Transcends Class 10 SDHC Ultra High Speed memory cards help your camera unleash its full potential. When paired with UHS-I compatible devices, these cards can realize transfer speeds of up to 85MB/s, perfect for high-speed consecutive shooting and smooth full HD video recording." 