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Black rectangular docking station with multiple ports visible

DELL

DELL Dell-SD25TB4 Thunderbolt 4 docking station

SKU CH-HT9M-CXDWH MPN Dell-SD25TB4

Thunderbolt 4 docking station supports four displays with multiple video outputs, six USB ports, dual Ethernet speeds, and enterprise management features in a 20.42 oz black chassis

  • ColorBlack
  • Weight20.42 oz
  • Connect up to four external displays
  • Thunderbolt 4 connectivity with 25 W power delivery
  • Six USB ports including two USB-C
  • Wired network via 1 GbE and 2.5 GbE
  • Enterprise manageability with MAC pass-through and PXE boot

Dell Pro Thunderbolt 4 Smart Dock

This docking station expands a single Thunderbolt 4 port into multiple video outputs and data connections. It supports up to four external displays through HDMI and DisplayPort connectors. The unit provides wired network access via Gigabit and 2.5GbE Ethernet ports. It is designed for professionals who need a compact, desk-based connectivity hub.

Suits users with Thunderbolt 4 laptops needing

The dock requires a host system with a Thunderbolt 4 interface to deliver its full video and data bandwidth. It is not for users whose computers only offer USB-C or USB 3.x ports without Thunderbolt certification. Buyers needing legacy video outputs such as VGA or DVI must use separate adapters. Those requiring more than six USB ports should consider a larger hub.

Single Thunderbolt 4 upstream port drives four

The upstream Thunderbolt 4 connection carries all video, data and Ethernet traffic to the host. It enables the four-display maximum and the 2.5GbE network link simultaneously. If the host port is limited to Thunderbolt 3 or USB4 without full bandwidth, the display count or network speed may be reduced. Verify host specifications before purchase.

Highlights

  • Connect up to four external displays
  • Thunderbolt 4 connectivity with 25 W power delivery
  • Six USB ports including two USB-C
  • Wired network via 1 GbE and 2.5 GbE
  • Enterprise manageability with MAC pass-through and PXE boot

Specifications

BrandDell
ModelSD25TB4
Part NumberSD25TB4
ColorBlack
Weight20.42 oz
Shipping weight1.81 kg
Package size305 × 254 × 76 mm

Questions about this item

What does the Thunderbolt 4 interface cap in practice for this dock?

The Thunderbolt 4 interface supports up to four external displays and carries data, video and power through a single cable to the host.

What physical space and mounting does the SD25TB4 require?

The black chassis weighs 20.42 oz and is designed for desk-top placement with front and rear port access; no mounting hardware is included.

How is the dock installed and what step do people often miss?

Connect the Thunderbolt 4 cable to the host, attach the 25 W power adapter, then press the dock power button to sync with the laptop power state.

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