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Rectangular silver docking station with multiple ports and front charging port

Kensington

Kensington K33621NAMAC SD4790-MAC EQ USB-C DisplayLink Triple 4K Docking Station

SKU CH-WAZ6-GTPB3 MPN K33621NAMAC

Docking station delivers triple 4K video over HDMI and DP++ for M1, M2 and M3 Macs with up to 100W power delivery, 10Gbps data, two USB-C and four USB-A ports plus a front charging port

  • Triple 4K video via HDMI and DP++ for M1/M2/M3
  • Up to 100W Power Delivery charges MacBook while powering devices
  • 10Gbps data speeds with 2 USB-C and 4 USB-A ports
  • Front USB-C port charges AirPods, iPhone, Apple Watch at 1.2A
  • Secure screw lock and zero-footprint mounting with Kensington lock slots

Kensington SD4790-MAC EQ Docking Station

This Kensington docking station adds three 4K video outputs, six USB ports and up to 100W laptop charging through a single USB-C link. It targets MacBook Air and Pro users on M1, M2 or M3 chips who need more screens and peripherals than the built-in ports allow. Windows and Chrome OS laptops with a compatible USB-C port can also use the dock.

Single-cable build integration

One USB-C cable carries video, data and power, so the dock replaces multiple adapters and chargers on the desk. Two USB-C and four USB-A ports at 10Gbps free up the laptop’s own sockets for other gear. A front USB-C port with Battery Charging 1.2 keeps AirPods, iPhone or Apple Watch topped up without reaching behind the Mac. Secure screw-lock and Kensington lock slots let the unit stay fixed in a permanent workstation.

Sustained multi-display operation

DisplayLink compression drives three 4K streams continuously without overloading the Mac’s native display engine. The 100W power path feeds the laptop and all attached bus-powered devices at once, so the system does not throttle during long render or compile sessions. Active cooling inside the dock keeps the controller stable when every video output and USB port is saturated for hours.

Highlights

  • Triple 4K video via HDMI and DP++ for M1/M2/M3
  • Up to 100W Power Delivery charges MacBook while powering devices
  • 10Gbps data speeds with 2 USB-C and 4 USB-A ports
  • Front USB-C port charges AirPods, iPhone, Apple Watch at 1.2A
  • Secure screw lock and zero-footprint mounting with Kensington lock slots

Specifications

BrandKensington
Shipping weight1.36 kg
Package size216 × 112 × 109 mm

Questions about this item

Does the 100W Power Delivery limit how many displays I can run at once?

The dock delivers up to 100W to the MacBook while simultaneously driving three 4K displays over HDMI and DP++ so the power budget does not reduce the video outputs.

How hot or loud does the unit get when it powers a MacBook and three 4K monitors all day?

The aluminium chassis passively dissipates heat from the 100W charging and DisplayLink processing; there is no fan so operation stays silent even under continuous load.

Which MacBook port and cable are required to get triple 4K and 100W charging from this dock?

A single USB-C port on an M1/M2/M3 MacBook Air or Pro with a USB-C cable that supports 10Gbps data and 100W Power Delivery enables the full feature set.

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