It fits your Surface Pro 8 perfectly even when using a protective case. [Surface Pro 8 4K Adapter] This hub supports video resolution up to 4K@30Hz and is backward compatible with 2K, 1080p, 720p, 480p, and 360p resolutions. Enjoy an ultra-high-definition visual experience by extending your Surface Laptop to a 4K HDR TV, monitor, or projector. [High-Speed Data Transfer] USB-C 3.0 and Thunderbolt 4 support data transmission up to 40Gbps and include support for audio and microphone through a 2-in-1 port for seamless listening and talking. 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 memory cards with transfer speeds up to 480Mbps. Compatible with TF, SDXC, and SD cards. [100W USB-C Power Delivery] This Surface Pro 8 accessory supports 100W USB-C pass-through power delivery. The aluminum case with beveled edges and compact design complements your Surface Pro 8. Lightweight and portable. Color: Silver. Material: Aluminum alloy. Size: 88 x 33 x 9.5mm. Package Contents: 1 x USB Hub. Only the items listed are included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3cm.