Startech
StarTech USB-C Multiport Adapter with 4K 60Hz HDMI, 140W Power Delivery, USB 10Gbps, GbE, SD / MicroSD Slots, Plug-and-Play (305b-usbc-multiport)
- SKU:
- 21634017
- MPN:
- 305b-usbc-multiport
- Availability:
- Usually ships the same or next business day. In stock at our PA warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 08/05/2026 07:07:26 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 3 | and pay only $57.57 each 57.57 |
| Buy 4 or above | and pay only $56.33 each 56.33 |
- Stock Update:
- 08/05/2026 07:07:26 PM PST
Description
This item is brand-new, factory sealed.
Transform a single USB-C port into a mobile workstation with 4K 60Hz HDMI, 140W USB-C PD passthrough, USB-C and USB-A connectivity, and integrated SD/microSD card readers, with ports on both sides for easier access and a 8-inch (20.3cm) braided tethered cable for flexible, durable use in shared workspaces and travel setups.
Keep High-Performance Systems Powered
Support demanding workflows with up to 140W USB-C Power Delivery passthrough. Keep AI-ready laptops, mobile workstations, and power-hungry systems running at full capacity while maintaining display and peripheral connectivity through one compact adapter.
Connect More Devices Without Giving Up Ports
Add three USB 10Gbps ports for high-speed storage and accessories, plus a USB 2.0 port for keyboards, mice, or other essential peripherals. Ideal for thin laptops, 2-in-1s, and MacBooks where port availability is limited.
Easy Card Access Anywhere
Integrated SD and microSD 4.0 card readers support simultaneous file transfers to streamline media handling across cameras, mobile devices, and external storage. Eliminate extra adapters and reduce setup time for content creation, field work, and mobile IT environments.
Package Contents:
- Docking Station
- 1 x Product Documentation
Features
- Docking Station
- 1 x Product Documentation
Environmental Compliance:
Restriction of Hazardous Substances (RoHS)
Waste Electrical and Electronic Equipment Directive (WEEE)
Brand Compatibility:
Dell
HP
Lenovo
Apple
Specs
| Power Description | |
| Power Source Type | Power Adapter |
| Output Voltage | 5 V DC |
| Physical Characteristics | |
| Weight (Approximate) | 4.80 oz |
| Product Color | Space Gray |
| Height | 0.60" |
| Color Family | Gray |
| Width | 2.30" |
| Warranty | |
| Limited Warranty | 3 Year |
| Interfaces/Ports | |
| Number of USB 2.0 Type-A Ports | 1 |
| USB Power Delivery | 140W |
| Number of USB Type-A Ports | 3 |
| USB Type-C Detail | 1 x USB 3.2 Type-C (24 pin, Gen 2, 10Gbps), 1 x USB Type-C (24 pin) USB Power Delivery Only |
| Number of USB 3.2 Gen 2 Type-C Ports | 2 |
| Number of HDMI Outputs | 1 |
| Number of RJ-45 Ports | 1 |
| Number of USB Type-C Ports | 2 |
| Total Number of USB Ports | 5 |
| Number of USB 3.2 Gen 2 Type-A Ports | 2 |
| USB Type-C | Yes |
| Network (RJ-45) | Yes |
| HDMI Version | <p>HDMI 2.0</p> |
| Total Number of Ports | 9 |
| Host Interface | USB 3.2 Type C |
| USB Type-A | Yes |
| HDMI | Yes |
| General Information | |
| Brand Name | StarTech.com |
| Manufacturer Website Address | http://www.startech.com |
| Marketing Information | Transform a single USB-C port into a mobile workstation with 4K 60Hz HDMI, 140W USB-C PD passthrough, USB-C and USB-A connectivity, and integrated SD/microSD card readers, with ports on both sides for easier access and a 8-inch (20.3cm) braided tethered cable for flexible, durable use in shared workspaces and travel setups. Keep High-Performance Systems Powered Support demanding workflows with up to 140W USB-C Power Delivery passthrough. Keep AI-ready laptops, mobile workstations, and power-hungry systems running at full capacity while maintaining display and peripheral connectivity through one compact adapter. Connect More Devices Without Giving Up Ports Add three USB 10Gbps ports for high-speed storage and accessories, plus a USB 2.0 port for keyboards, mice, or other essential peripherals. Ideal for thin laptops, 2-in-1s, and MacBooks where port availability is limited. Easy Card Access Anywhere Integrated SD and microSD 4.0 card readers support simultaneous file transfers to streamline media handling across cameras, mobile devices, and external storage. Eliminate extra adapters and reduce setup time for content creation, field work, and mobile IT environments. |
| Product Type | Docking Station |
| Product Name | Docking Station |
| Manufacturer | StarTech.com |
| Manufacturer Part Number | 305B-USBC-MULTIPORT |
| Packaged Quantity | 1 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Software | |
| Operating System Supported |
|
| Technical Information | |
| Charging Capability | Yes |
| Number of Displays Supported | 1 |
| Screen Mode Supported | 4K @ 60Hz |
| Maximum Data Transfer Rate | 1.25 GB/s |
| Management Features |
|
| Cable Length | 8" |
| Features |
|
| Supported Resolutions | 3840 x 2160 |
| Device Supported |
|
| Memory Card Reader | Yes |
| Memory Card Supported |
|
| Connectivity Technology | Wired |
Warranty Information
