The LSD1800064G-BNNNG by Lexar is a high-performance 64GB SDXC flash card, specifically engineered to meet the demands of professional photographers and videographers. It features an impressive 1800x speed rating, equivalent to a read transfer speed up to 270MB/s, thanks to its Class 10, UHS-II (Ultra High Speed Class 2), U3, and V60 video speed class rating. These specifications ensure not only rapid file transfer but also smooth 4K and 3D video recording and playback without lag or interruption. The card's robust construction offers protection against water, shock, vibration, and x-rays, providing reliability in a plethora of environments. Whether capturing high-resolution images, burst photography, or recording cinematic quality videos, the Lexar LSD1800064G-BNNNG stands out as a stellar choice for professionals seeking top-tier storage performance.