The SDSDQUNB-064G-GN3MN, part of WD/SanDisk Retail's esteemed Ultra microSDXC series, merges substantial storage capacity with high-speed data transfer capabilities. This 64GB microSDXC card is designed to cater to the needs of mobile device users, keen photographers, and video aficionados alike, offering a spacious repository for high-resolution images, HD videos, and other digital content. Featuring UHS-I technology and a Class 10 speed rating, the card boasts a transfer speed of 48mb/s, facilitating efficient file access and transfer. Additionally, it comes with a speed rating of 320X, indicating its prowess in handling rapid-shot photography and high-quality video recording without a hitch. Its reliability is further secured by WD/SanDisk Retail's reputation for durable and dependable storage solutions. Moreover, the card's robust build makes it resistant to extreme conditions, ensuring the safety and integrity of your precious memories. If dependable performance and speed are what you seek in a microSD card, the SDSDQUNB-064G-GN3MN is your go-to option.