Can this adapter charge my laptop while using it to connect external devices?

Yes, the adapter supports 60W USB Power Delivery, allowing it to power and charge your laptop simultaneously.

What is the maximum resolution supported by the HDMI output of this USB-C multiport adapter?

The maximum resolution supported by the HDMI output is 3840 x 2160p.

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StarTech.com DKT30CHPD USB-C Multiport Adapter with 4K HDMI - 2x USB-A Ports - 60W PD - Black

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Model: HDMI/Ethernet/USB-A Hub (Black)

HDMI/Ethernet/USB-A Hub (Black)
HDMI/Ethernet/USB-A Hub (Aluminum)

Turn your MacBook or Windows laptop into a workstation anywhere you go with this USB C multiport adapter with HDMI
Connect a single UHD 4K HDMI monitor to your USBC laptop using this USB C video adapter
USB C adapter with charging supports 60W USB Power Delivery to power and charge your laptop
USB Type C multiport adapter provides a portable docking station for your laptop w/ 2x USB 3.0 ports and a GbE port
4K HDMI adapter supports 4096 x 2160 resolution at 24Hz or 3840 x 2160 @ 30Hz

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USB C multiport adapter with HDMI lets you connect a single UHD 4K HDMI monitor

Model
Brand	StarTech.com
Model	DKT30CHPD

Details
Type	USB to HDMI Adapters
Color	Black
Specifications	4K Support: Yes Bus Type: USB-C 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: 3840 x 2160p (HDMI) Type and Rate USB: 3.0 - 5 Gbit/s UASP Support: Yes OS Compatibility: Windows 7, 8, 8.1, 10 / Mac OS 10.9 to 10.12 / Chrome OS Power Source: USB-Powered

Connectors
Output Connector	1 x USB Type-C (24 pin) USB 3.0 Male 1 x HDMI (19 pin) Female 1 x RJ-45 Female 2 x USB Type-A (9 pin) USB 3.0 Female 1 x USB Type-C (24 pin) USB 3.0 Female

Features
Features	Expands the connectivity of your port-limited laptop, using the convenient built-in USB-C cable Power both the multifunction adapter and your laptop simultaneously, using your laptop’s USB-C based power adapter (supports USB Power Delivery 2.0) Provides 4K Ultra HD (3840 x 2160p) HDMI video output, two USB 3.0 ports, and a Gigabit Ethernet port Compact and rugged housing that’s designed for maximum portability and reliability Two additional USB Type-A port lets you connect your existing USB devices without the added expenses of purchasing new peripherals (backward compatible with USB 2.0 and 1.x devices) Extra length (34 cm), attached USB-C cable provides greater flexibility for desktop placement Thunderbolt 3 data port compatible Supports DP alt mode Gigabit Ethernet RJ45 port supports Wake-on-LAN (WOL), jumbo frames, IEEE 802.1 Q VLAN tagging, and IEEE 802.1az Energy-Efficient Ethernet (EEE) Fast, hassle-free setup, with native support in most Windows® and Mac operating systems (also works with Google Chrome OS)

Dimensions & Weight
Dimensions	0.60" x 3.80" x 2.00"
Weight	2.30 oz.

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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Item#: 9SIA6ZPKS83954

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StarTech.com DKT30CHPD USB-C Multiport Adapter with 4K HDMI - 2x USB-A Ports - 60W PD - Black

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Customer Reviews of the STARTECH DKT30CHPD

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info