Ideal for photographers, videographers, designers and other professional users. UNITEK CF Express Type B Multi Card Reader supports a variety of latest memory cards including CF Express Type B, SD 4.0, and Micro SD 3.0 (TF).  Supports CF Express Type-B: It supports the latest CF-Express Type B memory card and can sit the needs for professionals such as filmmakers, photographers & content creators. Supports 10GBps USB-A: Build in 10GBps USB port, convenience to fast copy the HD video and photo from CF card directly to USB flash drive. High-Speed SD 4.0: Supports the latest SD 4.0 UHS-II memory cards and can transfer data at high speeds of up to 312MB/s. 3 times faster than ordinary USH-I card readers. Dual Card Simultaneous Read/ Write: Efficiently manage multiple cards with dual-slot capability, enabling simultaneous reading/ writing. Efficient Heat Dissipation: The aluminum housing helps to dissipate heat during operation, ensuring product durability and stability on performance. Plug and Play: Simply connect the card and it is ready to use. No driver is needed