 "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 32GB SDHC Class 10 Flash Memory Card Up to 30MB/s (TS32GSDHC10)"@en-US "Computer Accessories & Peripherals - Page 4 | Laptops Outlet Direct"@en-US
"As high-tech gadgets become increasingly advanced with ever-improving video and audio quality, Transcend find themselves needing extra speed and memory capacity to store the high-resolution digital masterpieces.Adhering to the Class 10 specification, Transcend's SDHC cards perform at a transfer rate up to 20 MB/s on devices supporting SD 3.0, ensuring your device remains quick and responsive while recording and viewing files.The SDHC Class 10 series offer larger-volume data storage and optimized recording performance with support for FAT 32 file formats. With massive capacity storage, you can store your entire music or picture collection on today's high-megapixel digital cameras, HDTV digital video cameras, PDAs and other memory-hungry devices"@en-US 