Designed for photographers, videographers and enthusiasts RENICE Cfast 2.0 memory cards feature ultra-fast read and write speeds, ensuring you never miss any precious moments, including high-speed burst photography and high-resolution 4K.6K RAW photos. Shoot ultra-high-definition videos with ease. Allows you to save, edit and share media files faster. scope: Sequential data read: 520MB/s Sequential data write: 470MB/s Overall dimensions: length x width x height 42.8 x 36.4 x 3.6 mm (1.68 Capacity: 320GB Input voltage: 3.3V (±5%) Operating temperature: 0°C - +70°C Storage temperature: -40°C - +85°C Support overvoltage and overcurrent protection functions JESD47 compliant 3-year warranty