Sony 64GB SF-G TOUGH Series R300/W299MB/s UHS-II SDXC Memory Card

About This Item TOUGH specification with crush and shock-proof design Rib-less and switchless design enhances reliability, eliminating risks of breakage Highest level (IP68) dust and water proofing The world’s fastest write speed at up to 299 MB/s for burst and high-resolution imaging SD Scan Utility monitors the condition of your card and lets you know before it has reached its write cycle limit.