The Lexar LMS1066128G-BNNNC is an advanced 128GB microSDXC (TransFlash) memory card designed to meet the storage demands of high-speed, high-resolution digital devices such as action cameras, drones, and Android smartphones. This silver-colored card is part of Lexar's high-performance line, boasting impressive speeds of up to 1066x. It supports the UHS Speed Class 3 (U3) and Video Speed Class 30 (V30), as well as the Application Performance Class 2 (A2) for superior mobile app performance. With a Class 10 rating, it guarantees a minimum write speed of 10MB/s. The A2 rating means faster loading and in-app performance, making it ideal for storing and running applications directly from the microSD card. The V30 rating ensures smooth, uninterrupted 4K video recording. Manufactured by Lexar Retail, this product offers reliability and high speed, essential for capturing high-quality images and videos without missing a frame.