Sony - SF-E Series 256GB SDXC UHS-II Memory Card Brand New, Factory Sealed Description The Sony UHS-II series of memory cards maximizes performance of high-end and profession UHS-II compatible cameras. With UHSII compatible cameras, 270MB/sec. max read and 120MB/sec. max write speeds, it provides excellent performance in 4K video shooting and continuous burst mode shooting with super fast transfer. Features UHS-II performance Features max read speed of 270MB/sec., max write speed of 120MB/sec., and V60 when used in UHS-II compatible devices. Fast reading and writing Maximizes performance of UHS-II cameras, whether 4K video recording, continuous burst mode shooting, or transferring large contents to host devices. High durability IP57 rating: water-, dust-, and temperature-proof. One-year limited warranty One-year limited warranty for your peace of mind. File Rescue downloadable software Helps recover photos and videos that have been accidentally damaged or deleted. Shoot with ease knowing high-resolution photos and videos are protected. Compatible with Windows and MacOS. SD Scan Utility Lets you check the condition of your SD memory card. By scanning the flash memory, it tells you whether your SD memory card is working in good condition or is about to reach the limit.? Fast data transfer to PC With read speeds up to 270MB/sec., you can transfer even large media files to your PC in seconds. Spend less time waiting and more time doing when using the UHS-II reader (MRW-S1). Based on Sony internal testing. Transfer speeds vary and are dependent on host devices, the OS version, or use conditions. To effectively use the product's high-speed capabilities, your compatible device must support UHS-II. 256GB model features up to 270MB/sec. read and up to 120MB/sec. write speeds, V60. File Rescue downloadable software available at www.sony.net/memorycard. Does not support data recovery for Content Protected and Game Data files. Not all data may be recoverable. With an IP57 rating, this SD card is durable and resistant. Designed to survive drops of up to 4.92', waterproof for 30 min at 3.28' depth, and being able to operate in temperatures ranging from -13 to +185F, the SF-E Series UHS-II SD card will last, whatever the weather. ? Need to be installed on Windows PC or Mac before using.