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Black rectangular dock with rounded edges, front ports and rear connections, bundled compact hub beside it

DELL

DELL SD25TB4 Thunderbolt 4 docking station 130W

SKU CH-Z23A-6JVND MPN SD25TB4

Thunderbolt 4 dock supplies 130W power, drives four 4K displays and adds 40Gbps data ports plus 2.5GbE through a single cable

  • Up to 130W power delivery charges supported laptops fast
  • Four 4K displays at 60Hz expand your workspace
  • 40Gbps Thunderbolt 4 speed moves large files quickly
  • 5 Gigabit Ethernet keeps wired networks reliable
  • Includes portable Dockztorm hub for extra USB ports

Dell Pro Thunderbolt 4 Smart Dock

The Dell Pro Thunderbolt 4 Smart Dock SD25TB4 expands a laptop workstation through a single cable. It delivers up to 130W power delivery for supported Dell laptops and 96W for other Thunderbolt 4 systems. Two Thunderbolt 4 downstream ports and extensive USB-A and USB-C connectivity handle peripherals and storage. Enterprise management features include Wake-on-LAN and remote firmware updates.

For multi-display professionals and IT fleets

This dock suits users who need up to four 4K displays at 60Hz or a single 8K panel. IT teams benefit from PXE Boot, MAC Address Pass-Through and Intel vPro compatibility. Buyers whose laptops lack Thunderbolt 4 or USB-C DisplayPort Alt Mode cannot use the video or 40Gbps data features. The 0.83m cable limits placement distance from the host.

130W power delivery for Dell systems

The dock provides up to 130W charging power for compatible Dell laptops, reducing the need for a separate power brick. Non-Dell Thunderbolt 4 systems receive up to 96W. An included 180W AC adapter powers the dock and downstream devices. Verify your laptop's Thunderbolt 4 charging requirement before purchase.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $592.99
Pricier than about 91% of the 1,970 comparable items (median $81.99).

Specifications

Product
Product line1 x HDMI, 2 x Displayport, 4 x USB-A, 2 x USB-C, 2 x Thunderbolt 4 and 1 x Ethernet
Part numberSD25TB4

Questions about this item

How do I connect the dock to my laptop and which cable length should I expect?

Connect the supplied Thunderbolt 4 cable to a Thunderbolt 4 or USB-C port on the laptop; the cable is 0.83 m (2.7 ft) long.

What part will need attention or replacement after extended use?

The 180 W AC adapter is the external power supply; if it fails the dock will not deliver up to 130 W power delivery.

At what point does sustained multi-display output hit a resolution or refresh ceiling?

With Display Stream Compression the dock supports up to four 4K displays at 60 Hz or a single 8K (7680 x 4320) display; host DSC support is required.

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