Kingston Digital 128GB microSDXC UHS-I Speed Class U3 90R/80W Flash Memory Card with Adapter (SDCA3/128GB) Fast/Performance - UHS-I Speed Class 3 - up to 90MB/s read and 80MB/s write for continuous shooting, video recording and fast file transfer Resistant - waterproof, shock proof, X-ray proof and temperature proof to perform even in harsh environments Compliant - with the SD Association specifications Compatible - with microSDHC & microSDXC host devices; not compatible with standard micro SD-enabled devices/readers; microSDXC cards are not compatible with microSDHC-enabled devices/readers Flexible/Multi-functional - when combined with the SD adapter, can be used as a full-size SDHC/SDXC card to fit in DSL-R or DSL-M cameras 4K camcorders and other devices