StarTech USB-C Multiport Adapter with 4K 60Hz HDM I - 140W Power Delivery - USB 10Gbps - GbE - SD / MicroSD Slots - Plug-and-Play - 305B-USBC-MULTIPORT

CREATE A MOBILE WORKSTATION WITH ONE ADAPTER: Transform one USB-C port into 4K 60Hz HDMI, 140W PD passthrough, and USB data ports with ports on both sides for easy access and a braided cable for flexible, durable use in shared workspaces and travel setups
140W USB-C PD FOR HIGH-PERFORMANCE & AI WORKLOADS: Supports up to 140W passthrough to keep power-hungry laptops and AI-ready systems running at full capacity without compromise
EXPAND CONNECTIVITY WITHOUT SACRIFICING PORTS: Add three USB 10Gbps ports for high-speed devices, plus a USB 2.0 port for essential peripherals, enabling greater connectivity on thin laptops, 2-in-1s, and MacBooks while preserving valuable host connections
STREAMLINE MEDIA TRANSFERS ACROSS DEVICES: Integrated SD and microSD 4.0 card readers support simultaneous high-speed file transfers to accelerate media workflows and eliminate the need for separate card reader adapters
THE IT PRO'S CHOICE: Rigorously tested in our Innovation Lab across 100+ monitors and major laptop brands before it reaches your environment; Deliver reliable, cross-platform performance backed by free lifetime 24/5 multilingual technical assistance

Specs

Reviews

Learn more about the STARTECH 305B-USBC-MULTIPORT

Details
Color	Space Gray
Type	Multiport Adapter
Standards	USB 3.2 Gen 2 (10Gbps); USB 2.0; USB Power Delivery (140W); Gigabit Ethernet; HDMI 4K 60Hz
Max Devices Supported	5
Ports	2x USB 3.2 Type-A Gen 2 10Gbps; 1x USB 3.2 Type-C Gen 2 10Gbps; 1x USB 2.0 Type-A 480Mbps; 1x RJ-45; 1x HDMI; 1x USB Type-C Power Delivery only; 1x SD slot; 1x microSD slot. Host connector: 1x USB 3.2 Type-C Gen 2 10Gbps (DP Alt-Mode Video)
Video Ports	1x HDMI (4K 60Hz)
Network Connector	1x RJ-45 (Gigabit Ethernet)
Supported Cards	SD, microSD
Transfer Rate	10Gbps (USB 3.2 Gen 2)
Power Input	Up to 140W USB Power Delivery pass-through
Operating System Supported	Windows 10, 11, 11 ARM; macOS 13.0, 14.0, 15.0, 26.0; Linux Ubuntu 20.04 and up; iPadOS; iOS
Dimensions	4.5in x 2.3in x 0.6in
Weight	0.3 lbs (device weight per detailed spec; TD SYNNEX listing top-line weight shows 0.40 lbs, likely a boxed/shipping weight discrepancy)

Features
Features	Create a Mobile Workstation with One Adapter; 140W USB-C PD for High-Performance and AI Workloads; Expand Connectivity Without Sacrificing Ports; Streamline Media Transfers Across Devices

Packaging
Package Contents	1x Multiport Adapter; 1x Product Documentation

Manufacturer Warranty
Parts	3 Years
Labor	3 Years

Additional Information
First Listed on Newegg	August 06, 2026

Return for refund within: 30 days
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.