Sandisk microSDXC 128GB Extreme PRO UHS-1 U3 V30 4K Ultra HD A2 compatible with SD adapter

Manufacturer SanDisk Type microSDXC UHS-I Card Capacity 128GB U3 V30 4K Ultra HD, application performance A2 compatible, launch apps faster. With SD adapter for data transfer, overseas packaged products, no domestic support.;When dealing with large files (4GB and above), check the file size limit of the file system. FAT32 1 file maximum capacity 4GB, files larger than 4GB cannot be saved. Or even a card larger than 64GB can only recognize 32GB. exFAT Not compatible with old equipment. The maximum capacity of one file is 2TB, and files of 4GB or more can be saved. It can be managed even with a 2000GB card.;* Please test the speed according to the method posted on the exhibition page. First, check whether your device complies with the card specifications. If the test equipment does not have the performance higher than this card specification, the original speed of the card cannot be exhibited. First, investigate the maximum transfer / write speed of the test equipment. Handling of large-capacity flash memory If you insert a microSDXC card into a product that does not support the SDXC standard, the data in the microSDXC card will be damaged. In that case, it may be formatted and recognized according to the SDHC standard, but the data in the microSDXC card will be damaged regardless of this operation. Never plug it in.;Regarding recovery of a microSD card with damaged data 1) If you want to use a microSDXC card with damaged data again, you need to insert it into an SDXC standard compliant device and initialize the microSDXC card. .. The saved data will be deleted. Data will not be restored. 2) If the microSDXC card's firmware is damaged when it is inserted into a product that does not support the SDXC standard, it cannot be repaired even if initialization is performed.;* Measure with a USB3.0 and UHS-I compatible card reader on a PC equipped with a USB3.0 interface during the speed test. In order to demonstrate the high-speed performance of UHS-I, not only the card side but also the host (personal computer, camera, card reader, etc.) must support UHS-I. Therefore, a device equipped with USB3.0 and a card reader compatible with USB3.0 / UHS are required to measure the speed of a high-speed SD card. Otherwise, the original speed of the card cannot be fully achieved. * To experience the speed of 170MB / s, please check the following two points: 1) Please check in advance whether the speed of the USB port installed in your computer is 170MB / S or more. 2) Please prepare Sandisk's SDDR-B531 card reader. * At the moment (2019/06), the only UHS-1 card reader that has reached 170MB / sec is Sandisk's SDDR-B531. Handling of large-capacity flash memory: If you insert a microSDXC card into a product that does not support the SDXC standard, the data in the microSDXC card will be damaged. In that case, it may be formatted and recognized according to the SDHC standard, but the data in the microSDXC card will be damaged regardless of this operation. Never plug it in.