Check the listing for details. Promaster 64GB SDXC Secure SD Digital Camera Memory Card UHS-1 Class 10 #2145. Condition: New. Listed at 16.99 USD. ProMaster Performance memory cards are the optimum combination of speed and reliability. Perfect for any photo application.Today's professional digital cameras capture the highest resolution images ever, at lightning fast speeds. The large images they produce, however, can load your cameras buffer and ultimately make you wait to take the next picture.PROMASTER's Professional High Speed SDHC Secure Digital memory card is designed to give you the fastest performance SDHC enabled camera or device.The Secure Digital 2.0 standard (SDHC) is NOT backwards compatible and requires SDHC compatible devices in order to function.PROMASTER memory cards feature a LIFETIME WARRANTY.64GB SDXC100MB/s Read Speed50MB/s Write SpeedUHS-1 Speed class 3, U3V30 Video speed class