StarTech.com USB-C/USB-A Dual HDMI Multiport Adapter
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The StarTech.com Dual HDMI Multiport Adapter family lets you add two HDMI displays to a laptop or desktop using a single USB connection. Each adapter includes an integrated host cable and a USB-C to USB-A adapter/dongle for broad USB-C and USB-A compatibility. The adapters are bus-powered and designed for portable use — ideal for business productivity, remote work, travel and boardroom setups requiring extended desktop configurations. Models in this family support 4K and 1080p HDMI output and work with Windows, macOS (including Apple M1/M2 models where supported) and Chrome OS. Some models include additional technologies found in the variants such as DisplayLink-based dual-monitor support, USB Power Delivery pass-through and automatic driver installation. The family offers a compact, convenient solution to expand display options without needing dedicated video ports.
- RELIABLE PERFORMANCE: USB bus powered or 100W PD pass-through (10W reserved for adapter + 90W for laptop charging); Prevents device dropouts, video flickering, and power overdraw; Aluminum enclosure provides EMI shielding and helps with heat dissipation
- EXTERNAL VIDEO GRAPHICS ADAPTER: Connect additional displays when extra video ports are not available on the laptop or dock; Use with two external monitors and a workstation laptop screen; Ideal for business productivity apps, not ideal for gaming
- DISPLAYLINK CERTIFIED: Universal Adapter works w/ Windows, macOS, Ubuntu, and ChromeOS; Automatic driver install in Windows & ChromeOS; Works with USB 3.2 Gen 1 (5Gbps), USB-C, USB4, Thunderbolt 3/4; 1ft/30cm built-in cable to reduce port/connector strain
- APPLE M-SERIES COMPATIBLE: Works w/macOS enabling extended dual displays on USB-C/Thunderbolt laptops including the base Apple M-Series MacBooks, which natively only support one; Requires Driver Download for macOS
- USB TO DUAL HDMI: This USB-C or USB-A to Dual-HDMI Adapter adds up to two 4K 60Hz HDMI monitors to a computer; 100W Power Delivery pass-through with up to 90W host charging; 5.1ch HDMI Audio; 2x DisplayLink based HDMI Outputs
Specifications:
| Materials & Construction | |
| Product Material | Aluminum, Plastic |
| Product Details | |
| Adapter Type | Hdmi |
| Batteries | 1 AAAA batteries required. |
| Connector On First End Details | 1 X Usb 3.2 Type C - Male; 1 X Usb Type A - Male |
| Connector On Second End Details | 2 X Hdmi Digital Audio/Video - Male |
| Connector Type On First End | Usb 3.2 Type C - Male; Usb Type A - Male |
| Connector Type On Second End | Hdmi Digital Audio/Video - Male |
| Country of Origin | Taiwan |
| Gender (End 1) | Male |
| Gender (End 2) | Male |
| Hardware Interface | USB, USB Type C, HDMI |
| Item model number | 109B-USBC-HDMI |
| Maximum Resolution Supported | 3840.000216 |
| Packaged Quantity | 1 |
| Special Feature | Fast Charging |
| Voltage | 28 Volts |
| Sizing & Dimensions | |
| Height | 0.6 inches |
| Length | 4.4 inches |
| Product Dimensions | 4.4 x 2.4 x 0.6 inches |
| Weight | 4.3 ounces |
| Width | 2.4 inches |
| Technical Specifications | |
| Hardware Interface | USB, USB Type C, HDMI |
| Maximum Resolution Supported | 3840.000216 |
| Operating System | Linux, Chrome OS, Windows 7, Windows 10 |
| Special Feature | Fast Charging |
| Voltage | 28 Volts |
