Sony 64GB V60 UHS-II M-Series Memory Card The Sony M Series UHS-II SD Memory Card is a perfect balance of speed power and value. This high-speed memory card provides a fast buffer clearing time between burst shooting and an efficient workflow when transferring hi-res photos and 4K video content to a computer. Up to 277MB/s Transfer Speed With up to 277 MB/s read speed you can back up and transfer images faster for more efficient workflows – less time waiting more time doing. Up to 150MB/s Write Speed A fast write speed up to 150 MB/s provides quick buffer clearing times for continuous burst and high-resolution still image capture. For video creators the UHS Speed Class 3 and the new V60 Video Speed Class provide fast minimum write speeds for dependable high-bitrate 4K video capture. Superior Reliability The SF-M Series Memory Card is tested to perform reliably even in harsh conditions. With an IP57 rating this SD card is durable and resistant. Designed to survive drops up to 1.5m waterproof for 30 min at 1m depth and able to operate in temperatures ranging from -25 to 85-degree-C the SF-M Series UHS-II SD Card will last whatever the weather. Exclusive Sony Software Enjoy added security and peace of mind with Sony s File Rescue software developed to recover a variety of corrupted or accidentally deleted files. To monitor and alert you to memory card write limits the SD Scan Utility is also available. Both tools are free for Sony memory card customers. Sony UHS-II USB 3.1 SD Card Reader The MRW-S1 memory card reader is the perfect solution to drastically improve workflow efficiency after shooting by quickly transferring large data from UHS-II SD cards like SF-G Series to a PC. One Of The Fastest In Its Class With the fast memory card reader MRW-S1 UHS-II SD cards like the SF-G series can be read at a faster speed. Super-fast transfer compatibility lets you get the most of your high-speed cards. It also brings out the full performance of UHS-I and non-UHS SD memory cards. Won t Slow You Down The MRW-S1 card reader supports the SuperSpeed USB 3.1 Gen 1 interface to get the most from high-performance SF-G series cards. The result is copying and backing up files is far faster than through a conventional SD slot on your PC. Backups That Save Time and Space Ideal for high-resolution still and 4K video backups from UHS-II SD cards the MRW-S1 saves transfer time so you can get back to editing fast.