The LSDMI64GCB1000A by Lexar Retail is a high-end 64GB microSDXC (TransFlash) card engineered for professional use. It comes with a Class 10, UHS-II interface, and a V60 video speed class rating, making it one of the fastest microSD cards on the market. This card is specifically designed to meet the needs of professional photographers and videographers, offering exceptional write speeds up to 1000x that enable the capture of high-quality photos and 4K video without lag or interruption. The card also includes a UHS-II adapter for easy file transfer between devices. The robust construction ensures protection against water, shock, vibration, and x-rays, making it an incredibly durable option for users who demand the utmost in reliability and performance in extreme conditions.