Huge Expansion: Equipped with an 85W Thunderbolt 4 upstream port (connects to your laptop), 3 Thunderbolt 4 downstream ports, and 1 USB-A port. Increased Charging Options: Connect your USB-C laptop to the Thunderbolt 4 upstream port to get a powerful charge up to 85W. The 3 other Thunderbolt 4 ports also support charging up to 15W. Media Display: The Thunderbolt 4 downstream port supports media display to a single monitor in up to 8K@30Hz, or to dual monitors in up to 4K@60Hz. High-Speed Data Transfer: The 3 Thunderbolt 4 downstream ports each support data transfer speeds of up to 40 Gbps—enough to transfer a 20GB file in just over 10 seconds. What You Get: PowerExpand 5-in-1 Thunderbolt 4 Mini Dock, 100W power adapter, 3.9 ft power cord, 2.3 ft Thunderbolt 4 cable, welcome guide, 18-month warranty, and friendly customer service.