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Black rectangular Thunderbolt 4 dock with multiple ports, 10-pack

DELL

DELL SD25TB4 Thunderbolt 4 docking station 130W 10-pack

SKU CH-J6M6-RVABG MPN SD25TB4

A Thunderbolt 4 dock delivering up to 130W power and quad 4K display support across ten units

  • Up to 130W power delivery charges supported Dell laptops fast
  • Quad 4K display support at 60Hz expands workspace productivity
  • 40Gbps Thunderbolt 4 speed moves large files quickly
  • Enterprise management features simplify IT deployment at scale
  • Includes portable Dockztorm hub for extra connectivity on the go

Ready for fleet deployment

This 10-pack of Dell SD25TB4 Thunderbolt 4 docking stations equips multiple workstations with a single-cable expansion solution. Each unit connects to compatible Thunderbolt 4 or USB-C laptops and delivers up to 130W power delivery for supported Dell systems or 96W for others. The bundle includes a portable Dockztorm data hub rated for up to 5Gbps sync speeds. IT teams can standardise desk setups across departments with consistent connectivity.

Quiet desk operation

The compact dock measures 8.07 by 3.54 by 1.39 inches and weighs 1.28 pounds with no moving parts, so it adds no audible noise to the workspace. An external 180W AC adapter handles power conversion away from the desk surface. Thunderbolt 4 provides up to 40Gbps data throughput while the 2.5 Gigabit Ethernet port maintains a stable wired link. Normal use stays cool and silent without active cooling.

Single-cable workstation hub

One 0.83-metre Thunderbolt 4 cable carries video, data, power and network traffic to the host. The dock drives up to four 4K displays at 60Hz via two DisplayPort 1.4 outputs, one HDMI 2.1 port and a USB-C DP Alt Mode connection, or a single 8K panel. Four USB-A 3.2 Gen 2 ports, two USB-C 3.2 Gen 2 ports and two Thunderbolt 4 downstream ports leave laptop ports free. Enterprise features include Wake-on-LAN, PXE Boot, MAC Address Pass-Through and remote firmware updates, while a Kensington lock slot secures the hardware.

Highlights

  • Up to 130W power delivery charges supported Dell laptops fast
  • Quad 4K display support at 60Hz expands workspace productivity
  • 40Gbps Thunderbolt 4 speed moves large files quickly
  • Enterprise management features simplify IT deployment at scale
  • Includes portable Dockztorm hub for extra connectivity on the go

Specifications

Series1 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 install the SD25TB4 dock and which step do people often get wrong?

Connect the 0.83 m Thunderbolt 4 cable to the host laptop, then plug the 180 W AC adapter into the dock and mains power; the step people miss is confirming the laptop negotiates 130 W delivery (96 W on non-Dell systems) before attaching monitors.

What maintenance or replacement will the SD25TB4 need later?

Apply remote firmware updates when Dell releases them to keep Wake-on-LAN, PXE Boot and MAC Address Pass-Through compatible; the 180 W power adapter is the only field-replaceable part if it fails.

What limit appears first when the SD25TB4 runs sustained heavy workloads?

The 130 W power-delivery ceiling (96 W for non-Dell laptops) is reached before the 40 Gbps Thunderbolt 4 bandwidth, so total connected device draw cannot exceed that wattage.

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