Dell Pro Thunderbolt 5 Smart Dock SD25TB5 (210-BRFN) is a docking station for connecting a computer to displays and other peripherals through one desk hub. Dell identifies this variant by the manufacturer part number RM57N.
For displays, it provides 2 DisplayPort 2.1 interfaces and 1 HDMI 2.1 interface, alongside 2 Thunderbolt 5 ports. The mix of connections supports arranging multiple display and peripheral links at the dock.
Data connections include 4 USB-A 3.2 Gen 2 ports and 1 USB-C 3.2 Gen 2 port, each specified at 10 Gbps. The dock also supports Power Delivery pass-through and is listed with an 83 cm cable. Dell lists support for Windows 10 and Windows 11, Ubuntu 24.04, macOS, ChromeOS 141, and Red Hat Enterprise Linux 9.7.
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