Fast Speed UHS II Card Reader Slot for D850 Z6II and Other DSLR Cameras Compatible

double Slot Backup & Expansion ( Select Models) Designed for D850 and for GFX50R cameras, ensuring professional data security and management flexibility double Slot Design for D850 features + UHS II slots, while Z6II offering CFe / + UHS II slots, universally compatibility Wide Compatibility & Fast Speed supporting fast speed bus standards for faster read / write speeds, enhancing continuous video for D850, Z6II, and other models Verified Reliability & Brand Compatibility Officially tested with leading card brands, this metal slot meets strict standards for long term use in professional photography environments Video for high bitrate 4K video, these slots require UHS Speed Class 3 ( U3) or cards to maintain stable data writing, interruptions during critical footage capturing