It fits your Surface Pro 8 when using a protective case. [Surface Pro 8 4K Adapter] This hub supports video resolution up to 4K@30Hz, with backward compatibility for 2K, 1080p, 720p, 480p, and 360p resolutions. Enjoy an ultra-high-definition visual experience by extending your Surface Laptop to a 4K HDTV, monitor, or projector. [High-Speed Data Transfer] USB-C 3.0 and Thunderbolt 4 support data transmission up to 40Gbps, and include audio and mic 2-in-1 port for seamless calling. The USB 3.0 port offers speeds up to 5Gbps. Additional USB 2.0 ports are ideal for connecting a keyboard or wireless devices. The built-in TF/SD card slot allows easy access to files from TF, SD, and SDXC memory cards with transfer speeds up to 480Mbps. [100W USB-C Power Delivery] This Surface Pro 8 accessory supports 100W USB-C pass-through power delivery. The aluminum case provides durability and protection. The beveled edge design and sleek finish perfectly match your Surface Pro 8. Lightweight and portable. Color: Silver Material: Aluminum alloy Size: 88 x 33 x 9.5 mm Package Contents: 1 x USB Hub Note: Only the items listed above are included. Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.