For sale: Original, high-performance memory cards from Lexar, a company known for its reliability and quality storage products. Specifications and Features: Brand: Lexar. Capacity: 64GB per card. Speed and Performance: Read speed up to 100MB/s for fast and easy data and file transfer. 633x rating with V30 / U3 class support for recording and shooting high-definition 4K UHD and Full HD videos without interruption. A1 performance class to improve application loading speed on phones and smart devices.