KENSINGTON 

KENSINGTON K33621NA SD4790-MAC TRIPLE 4K HYBRID DOCK

Mfg Part Number:  K33621NA  
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Price: $342.62
Quantity:
In Stock: 34
Last Updated: Sep 12, 2026
No Sales Tax except these states
, PO and Wire.

Triple 4K Video via HDMI® and DP++ for MacBook

Supports any M1/M2/M3/M4 MacBook Air or MacBook Pro model with up to Triple 4K @ 60Hz via DisplayLink®. Six video ports allow for the selection between HDMI® 2.0, DP++ 1.4, and DP++ 1.2, eliminating the need for cumbersome adapters.

Up to 100W Power Delivery for MacBook

Deliver power to your laptop while charging your connected Apple devices. Supports up to 100W for your M1/M2/M3/M4 MacBooks and can also charge your Apple devices, such as AirPods, iPhone, and Apple Watch, via the front USB-C® port with Battery Charging 1.2.

6 USB Ports, Gigabit Ethernet, and Combo Audio Jack

Delivers speeds up to 10Gbps via 2 USB-C® ports and 4 USB-A ports. Front: 2 x USB-C 3.2 Gen2 10Gbps (one 5V/1.5A and one 5V/0.9A). Back: 4 x USB-A 3.2 Gen1 5Gbps (5V/0.9A). Includes 1Gbps Ethernet port and combo audio jack.

Zero-Footprint Mounting Option and Security Cable Lock Slots

Maximize desktop space by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Protect your investment with a Kensington® cable lock (K65020WW or K65021WW), sold separately.

Designed for Apple, Ensuring Compatibility with MacBook

Optimized to support MacBooks, running macOS 11 or above, while also being compatible with Windows 10 or above and Chrome OS 114 or above.

Secure Screw Lock Connection

Host cable is equipped with secure screw lock connector for a consistent and reliable connection between the docking station and your MacBook.

Sustainability Focused

The plastic in this product contains 53% post-consumer recycled (PCR) content. Does not include the cable, power supply, or power cord

Main Specification
General Information
Manufacturer Kensington Computer Products Group
Manufacturer Part Number K33621NA
Manufacturer Website Address http://www.kensington.com
Brand Name Kensington
Product Model SD4790-MAC
Product Name SD4790-MAC EQ USB-C Triple 4K Docking Station for MacBook
Packaged Quantity 1
Package Type Retail
Product Type Docking Station
Technical Information
Connectivity Technology Wired
Charging Capability Yes
Device Supported Headphone
Device Supported Display
Device Supported Notebook
Device Supported Monitor
Device Supported AirPods
Device Supported Microphone
Device Supported MacBook
Device Supported iPhone
Device Supported Watch
Cable Length 3.28 ft
Features Power Delivery Pass-through
Features Plug & Play
Features LED Power Indicator
Number of Displays Supported 3
Screen Mode Supported 4K
Screen Mode Supported 4K @ 60Hz
Supported Resolutions 3840 x 2160
Maximum Data Transfer Rate 1.25 GB/s
Security Slot Type Nano Security Slot
Security Slot Type Kensington Security Slot
Network & Communication
Ethernet Technology Gigabit Ethernet
Interfaces/Ports
Host Interface USB Type C
Total Number of USB Ports 7
USB Type-A Yes
Number of USB 3.2 Gen 1 Type-A Ports 4
Number of USB 3.2 Gen 2 Type-C Ports 2
Number of USB Type-A Ports 4
USB Type-C Yes
USB Type-C Detail 1 x USB-C 3.2 Gen2 10Gbps (5V/1.5A, supports BC 1.2*), 1 x USB-C 3.2 Gen2 10Gbps (5V/0.9A)
Number of USB Type-C Ports 3
Network (RJ-45) Yes
Number of RJ-45 Ports 1
DisplayPort Yes
Number of DisplayPort Outputs 3
Headphone/Microphone Combo Port Yes
HDMI Yes
HDMI Version

HDMI 2.0

Number of HDMI Outputs 3
USB Power Delivery 100W
Total Number of Ports 15
Software
Operating System Supported ChromeOS 114
Operating System Supported macOS Big Sur
Operating System Supported Windows 10
Power Description
Maximum Power Supply Wattage 150 W
Power Source Type Power Adapter
Physical Characteristics
Color Family Black
Product Color Black
Form Factor Desktop
Height 7.87"
Width 3.35"
Depth 1.18"
Weight (Approximate) 1.01 lb
Miscellaneous
Package Contents
  • SD4790-MAC EQ USB-C Triple 4K Docking Station for MacBook
  • 1 x USB-C 3.2 Gen2 Cable with USB-A Adapter and Screw Lock
  • 1 x 150W Power Supply Unit
  • 1 x Power Cord
  • 1 x Quick Installation Guide
  • 1 x Compliance Sheet
  • 1 x Warranty Card
  • 1 x Welcome Card
Kensington Security Slot Yes
Compatibility

Apple Products:

  • M1/M2/M3 MacBook Air
  • MacBook Pro
  • MacBook M-Series Base Chipset
  • MacBook M-Series Pro/Max Chipset
Brand Compatibility Apple
Post-consumer-waste% 53%
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Country of Origin Thailand
Warranty
Limited Warranty 3 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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