The SD-K064GR7AR040A is a high-capacity 64GB SDXC flash card produced by KIOXIA/Toshiba Retail, a brand known for pioneering flash memory technology. This card falls under the Secure Digital (SD) category and boasts a Class 10 (CL10) speed rating, signifying its ability to sustain a minimum write speed of 10MB/s. Its impressive 40MB/s transfer rate makes it an ideal solution for recording high-definition videos, capturing rapid-fire still photos, and enhancing the performance of high-resolution digital cameras. With such speeds, it facilitates swift file transfers, cutting down on the time spent moving data between devices. Moreover, the SD-K064GR7AR040A is built to endure tough conditions, making it shock-resistant, waterproof, and x-ray proof, providing users with the confidence to capture memories or data in almost any environment.