The Dell Pro Thunderbolt 4 Smart Dock SD25TB4 is a wired notebook dock that brings display, network, and USB connections together through Thunderbolt 4. It can also deliver up to 130 W to Dell systems or 96 W to non-Dell systems.
For a multi-screen desk, the dock supports up to 4 displays. Its video connections include DisplayPort 1.4 and HDMI 2.1, alongside Thunderbolt 4, USB-A, and USB-C ports for connecting peripherals. An RJ45 Ethernet port supports wired networking at 2.5 GbE.