The SDSQUA4-064G-GN6IA is a 64GB microSDXC Ultra UHS-I A1 C10 flash card with an adapter, produced by WD/SanDisk Retail. This memory card is tailor-made for high-speed performance, supporting UHS-I interface with speed class 10 (C10) rating, facilitating fast data transfer rates suitable for high-resolution photos and 4K video recording. The inclusion of the A1 app performance rating means the card has been optimized for apps, ensuring quicker launch and better performance of smartphone apps. This feature is crucial for users requiring swift and reliable storage for applications, multimedia, and gaming. The card comes with an adapter, enabling compatibility with a wide range of devices beyond microSDXC-supported gadgets. WD/SanDisk Retail's commitment to excellence is evident in this product, designed to meet the demands of modern mobile technology users seeking expansive storage without compromising speed or reliability.