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Black rectangular Thunderbolt 4 dock with multiple ports and included portable hub

DELL

DELL SD25TB4 Thunderbolt 4 docking station 130W (5-Pack)

SKU CH-K5CJ-HDCK3 MPN SD25TB4

A 130W Thunderbolt 4 dock supporting four 4K displays, 2.5 Gigabit Ethernet, and 40Gbps data transfer, bundled with a portable Dockztorm hub

  • Charges laptops with up to 130W power delivery
  • Drives four 4K displays at 60Hz via DisplayPort 1.4 and HDMI 2.1
  • Transfers data at 40Gbps through dual Thunderbolt 4 ports
  • Manages fleets with Wake-on-LAN, PXE Boot and remote firmware updates
  • Includes portable Dockztorm hub for extra 5Gbps USB connectivity

Ideal for multi-monitor professionals

The Dell Pro Thunderbolt 4 Smart Dock SD25TB4 delivers up to 130W power delivery for supported Dell laptops and 96W for other Thunderbolt 4 or USB-C systems. It drives up to four 4K displays at 60Hz through two DisplayPort 1.4 ports, one HDMI 2.1 port, a USB-C DP Alt Mode output and two Thunderbolt 4 downstream ports. A 2.5 Gigabit Ethernet jack and Kensington lock slot complete the enterprise feature set. The bundle includes a portable Dockztorm hub rated for 5Gbps data sync.

Verify host capabilities before ordering

Your laptop must provide a Thunderbolt 4 or USB-C port with DisplayPort Alt Mode and power-delivery support to use the dock’s video and charging functions. The dock supplies up to 130W to Dell machines and 96W to others, so confirm your device’s maximum input wattage. Quad 4K output at 60Hz and the single 8K option require a host GPU that supports DSC and the stated display count. The 0.83 m tethered cable limits placement distance from the host.

Single-cable desk hub with room to grow

One Thunderbolt 4 cable carries 40Gbps data, video for up to four monitors and up to 130W charging, freeing the laptop’s remaining ports. Four USB-A 3.2 Gen 2 ports at 10Gbps and two USB-C 3.2 Gen 2 ports handle high-speed peripherals, while the two Thunderbolt 4 downstream ports allow daisy-chaining additional Thunderbolt devices. Wake-on-LAN, PXE boot and remote firmware updates integrate with managed IT environments. The 180W AC adapter powers the dock and all connected loads.

How it compares

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

Price $1,588.99
Pricier than about 95% 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

What comes in the box and what must I buy separately?

The pack contains five Dell Pro Thunderbolt 4 Smart Dock SD25TB4 units, each with its 180W AC adapter and 0.83 m Thunderbolt 4 cable, plus five special-edition Dockztorm portable hubs. No extra cables or power bricks are required for basic operation.

How do I choose between the single 8K or four 4K display modes?

Pick the 8K mode when you need one 7680 × 4320 panel at 60 Hz; pick the four 4K mode when you need up to four 3840 × 2160 panels at 60 Hz. Both require a host that supports Display Stream Compression.

What does the 130 W power-delivery figure mean for my laptop?

Supported Dell laptops can draw up to 130 W for charging and full performance; other Thunderbolt 4 or USB-C laptops are limited to 96 W. The 180 W adapter ensures headroom for the dock’s own ports and the included Dockztorm hub.

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