The SanDisk 128GB Ultra UHS-I SDXC Memory Card is a storage device for camcorders and digital cameras with fast read speeds of up to 140mb/s, meaning that you can take and transfer photo files in a short time. It can be used to record and store Full HD videos as well as RAW and burst photography. It is engineered with the UHS-I bus technology and features a speed class rating of V30, guaranteeing 10Mb/s minimum write speeds. If your device does not support the V30 standard, this card also supports the U3 standard, which also guarantees minimum write speeds of 10 MB/s. In video recording, this card is exceptional with class 10 rating for Full HD video (1080p) recording.