This professional card reader supports CFexpress Type B and Type A memory cards for high-speed data transfer. Transfer high-resolution images and video recordings to your computer faster and more efficiently with USB 3.1 Gen 2 super-speed performance up to 10 Gbps. No external power supply required. Features a 5V USB-C charging port to address insufficient power supply issues on certain devices. Interface: USB 3.1 Gen 2. Speed: 10 Gbps. Compatible with Windows XP/7/8/10, macOS 10.6.2 and above, and Linux Fedora FC8 and above. Supports CFexpress Type B and Type A memory cards. Color: Silver. Material: Aluminum alloy. Package includes: 1 x Card reader. Other items not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.