Product Description Fast, dependable storage for smartphones, tablets and action cameras Capture, store and transfer more with the Lexar High-Performance 633x microSDXC card. With 256GB of space and read speeds up to 100MB/s, it quickly moves photos and videos, and its U3/V30 rating keeps Full HD and 4K recording smooth. The included SD adapter makes it just as easy to use in cameras and card readers. High-speed performanceLeverages UHS-I technology for read speeds up to 100MB/s (633x), so files transfer fast and apps load quickly thanks to the A1 rating. Ready for 4KU3 and V30 speed classes guarantee minimum 30MB/s write speeds - ideal for capturing Full HD, 3D and 4K video without dropped frames. Huge 256GB capacityStore hours of video, thousands of photos, music and apps on your smartphone, tablet, drone or action camera. SD adapter includedPop the microSD card into the included adapter to use it with SD-compatible cameras, laptops and card readers. Features 256GB microSDXC UHS-I capacity Up to 100MB/s read speed (633x) U3 / V30 / Class 10 - smooth 4K and Full HD recording A1-rated for faster app performance SD adapter included for cameras and readers Built to withstand tough conditions Specifications ModelLSDMI256BB633ACapacity256GBCard TypemicroSDXC UHS-ISpeed Rating633x - up to 100MB/s readSpeed ClassClass 10, U3, V30, A1Video SupportFull HD, 3D and 4KCompatibilitySmartphones, tablets, action cameras, dronesIncludesSD adapterWarrantyLimited lifetime (manufacturer) Package ContentsLexar 633x 256GB microSDXC card x1SD adapter x1