Is the StarTech.com DKT30CHD USB C Multiport Adapter compatible with Thunderbolt 3 ports?

Yes, the StarTech.com DKT30CHD USB C Multiport Adapter is compatible with Thunderbolt 3 ports.

What is the maximum resolution supported by the HDMI output of the StarTech.com DKT30CHD USB C Multiport Adapter?

The maximum digital resolution supported by the HDMI output is 4096 x 2160p at 24Hz or 3840 x 2160p at 30Hz.

hi i am having macbook, it has only one type c port, i want to use mass storage device and simultanoulsy charge macbook, is it possible with StarTech DKT30CHD , or with any other adapter ?

This adapter does *not* have any charging capability. It works perfect for external video, ethernet and USB devices (like mass storage device). The setup I use is to run all the devices with this adapter, and use the power adapter/charging that came with the laptop.

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StarTech.com DKT30CHD USB C Multiport Adapter - USB-C to 4K HDMI / USB 3.0 / Gigabit Ethernet - Powered USB Hub - USB-C to USB Adapter

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Model: HDMI/USB-A/USB-C/Ethernet

VGA/HDMI/DVI (Plastic)
VGA/HDMI/DVI/mDP
HDMI/USB-A/USB-C/Ethernet

Add HDMI and Gigabit Ethernet plus USB-A and USB-C ports (5Gbps) to your laptop through a single USB Type-C cable
USB-C adapter provides HDMI support with 4K Ultra HD 4096 x 2160p @ 24Hz or 3860 x 2160p @ 30Hz
Mobile laptop dock for Dell Precision / Dell XP / MacBook or other USB-C laptop
4-in-1 multiport adapter supports 4K HDMI and GbE plus USB-A and USB-C
Thunderbolt 3 port compatible
TAA compliant USB-C Adapter with USB Hub
USB-C Digital AV Multiport Adapter / USB-C dock / USBC

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USB C Adapter - USB-C Multiport Adapter for Laptops - 4K HDMI - GbE - USB-C - USB-A - USB 3.0 - Mobile Laptop Dock - Thunderbolt 3 Port Compatible

Model
Brand	StarTech.com
Model	DKT30CHD

Details
Type	USB to HDMI Adapters
Color	Black
Cable Length	No
Specifications	4K Support: Yes Bus Type: USB-C Chipset ID: Genesys Logic - GL3523 (USB Hub), Realtek - RTL8153 (LAN), Parade Technologies - PS176 (HDMI) Displays Supported: 1 Fast-Charge Port(s): No Auto MDIX: Yes Compatible Networks: 10/100/1000 Mbps Full Duplex Support: Yes Maximum Data Transfer Rate: 5 Gbps (USB 3.0), 2 Gbps (Ethernet; Full-Duplex) Maximum Digital Resolutions: 4096 x 2160p @ 24Hz or 3840 x 2160p (HDMI) @ 30Hz Type and Rate: USB 3.0 - 5 Gbit/s UASP Support: Yes Connector Type: 1 - USB Type-C (24 pin) USB 3.0 Male OS Compatibility: Windows 7, 8, 8.1, 10 / Mac OS 10.10 to 10.12 / Chrome OS Note: Not all USB-C ports support the full functionality of the USB Type-C standard. Ensure that your laptop USB-C port supports DP alt mode. A 4K-capable display is required to achieve 4K x 2K resolution (4K is also known as 4K x 2K). USB 3.0 is also known as USB 3.1 Gen 1; this connectivity standard offers speeds up to 5Gbps. The USB Type-C connector (female) is data only. System and Cable Requirements: Host laptop with an available USB-C port (to ensure full functionality, the laptop's USB-C port must support DP alt mode). Power Source: USB-Powered

Connectors
Output Connector	1 x USB Type-C (24 pin) USB 3.0 Female 1 x HDMI (19 pin) Female 1 x RJ-45 Female 1 x USB Type-A (9 pin) USB 3.0 Female

Features
Features	Add more connectivity to your USB-C laptop with a 4-in-1 multiport adapter, supporting 4K HDMI, USB-A, USB-C and Gigabit Ethernet Easily connect an external display with HDMI support: 4K Ultra HD 4096 x 2160p @ 24Hz, or 3860 x 2160p @ 30Hz Gigabit Ethernet port (RJ45) with Wake-on-LAN (WOL) support, ideal for areas with limited Wi-Fi Connect peripheral USB devices to the USB-A port (backward compatible with USB 2.0 and 1.x) and USB-C port Compact portable design, ideal for mobile use Bus-powered, supporting USB 3.0 (up to 5Gbps) Thunderbolt 3 port compatible TAA compliant Supports DP Alt Mode Supports IEEE 802.3 (10BASE-T), 802.3u (100BASE-TX), and 802.3ab (1000BASE-T) protocols

Package Contents
Package Contents	1 x USB-C multiport adapter 1 x quick-start guide

Additional Information
First Listed on Newegg	February 07, 2026

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StarTech.com DKT30CHD USB C Multiport Adapter - USB-C to 4K HDMI / USB 3.0 / Gigabit Ethernet - Powered USB Hub - USB-C to USB Adapter

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