StarTech.com Thunderbolt 3 to Dual DisplayPort Adapter DP 1.4 - Dual 4K 60Hz or Single 8K/5K TB3 to DP Monitor Video Adapter - Mac/Windows

Unlock extraordinary display versatility with StarTech’s Thunderbolt 3 to Dual DisplayPort Adapter. Engineered for professionals who demand expansive screen real estate, this DP 1.4 adapter lets you drive two DisplayPort monitors from a single Thunderbolt 3 port on a Mac or Windows laptop. Whether you’re editing video, developing software, conducting data analysis, or delivering presentations, this adapter delivers sharp, color-accurate visuals, smooth performance, and a streamlined workspace. It’s a powerful upgrade that helps you work faster, smarter, and more comfortably by maximizing your on-screen canvas with minimal cable clutter.

Thanks to an integrated 18 inch (46 cm) cable, you won’t wrestle with extra dongles or tangled cables. The built‑in length provides flexible placement, so you can position your TB3 host, docking station, and two displays without straining connectors or creating desk chaos. The adapter takes advantage of DisplayPort 1.4 bandwidth to support two 4K displays at 60 Hz each, delivering crisp details, smooth motion, and accurate color for photo editing, 3D design, and high‑fidelity video work. If your workflow calls for an ultra‑high‑definition single screen, the adapter also supports a single 8K or 5K display via DP 1.4, enabling you to push extreme resolution to a single canvas for cinematic video editing, large spreadsheets, or expansive design layouts. This flexibility makes it an ideal choice for professionals who need reliable, high‑resolution output across different display configurations.

Designed for cross‑platform compatibility, the StarTech TB3 to DP adapter works with Windows and macOS systems that include a Thunderbolt 3 port. It provides a straightforward upgrade path for expanding your workstation without complex driver setups or additional hardware. Connect the Thunderbolt 3 port on your computer to the adapter’s built‑in cable, attach your DisplayPort cables to the two DP outputs, and configure your display arrangement in your operating system. The result is a dependable, high‑performance multi‑monitor setup that enhances productivity, collaboration, and creative workflows—whether you’re in a home office, professional studio, or corporate environment.

• Dual 4K 60Hz or single 8K/5K performance from one TB3 port: Connect two DisplayPort monitors at 4K 60 Hz each, or drive a single high‑resolution display (8K or 5K) through DP 1.4, all from a single Thunderbolt 3 connection.
• Integrated 18-inch cable for tidy setups: The built‑in 18" (46 cm) cable minimizes desk clutter and simplifies placement, so you can position your TB3 host and displays with ease.
• Mac and Windows compatibility: Designed to work with both macOS and Windows systems that include a Thunderbolt 3 port, enabling seamless cross‑platform multi‑monitor workflows.
• Compact, portable design: A space‑saving form factor makes this adapter ideal for on‑the‑go professionals, studios, and busy workspaces where every inch counts.
• Easy setup without heavy software requirements: Built for straightforward operation, enabling quick configuration of your extended or mirrored displays in your OS without complex driver installations.

Technical Details of StarTech.com Thunderbolt 3 to Dual DisplayPort Adapter DP 1.4

• Interface: Thunderbolt 3 input with an integrated 18" cable; two DisplayPort 1.4 outputs
• Video support: Up to two displays at 4K 60Hz each, or a single display at 8K or 5K resolution (subject to system capabilities and DisplayPort 1.4 features)
• Bandwidth: Optimized for Thunderbolt 3’s 40 Gbps throughput to enable high‑quality video and color performance
• Compatibility: Works with Windows and macOS devices that offer a Thunderbolt 3 port
• Cable length: 18 inches (46 cm) built‑in for convenient, clutter‑free connections

How to install StarTech.com Thunderbolt 3 to Dual DisplayPort Adapter

• Plug the adapter’s integrated 18" Thunderbolt 3 cable into a Thunderbolt 3 port on your Mac or Windows computer.
• Connect two DisplayPort cables to the two DisplayPort outputs on the adapter and attach them to your DP monitors.
• Power on your displays and computer, then configure your display arrangement in your operating system to extend or mirror as needed.

Frequently asked questions

• What resolutions can I run with this adapter? The adapter supports up to two displays at 4K 60Hz via DP 1.4, or a single display at 8K or 5K depending on the capabilities of your system and displays.
• Is this adapter compatible with both Mac and Windows devices? Yes. It is designed for Thunderbolt 3 equipped computers running macOS or Windows.
• Do I need any drivers to use this adapter? In most cases, no additional drivers are required; the adapter is designed for straightforward operation with supported operating systems. If you encounter issues, ensure your OS is up to date and your DP displays are correctly configured.
• What is the length of the built‑in cable? The adapter includes a built‑in 18‑inch (46 cm) cable for flexible setup and reduced cable clutter.
• Can I daisy‑chain displays with this adapter? This adapter provides two DisplayPort outputs for independent displays. If you need more displays, you would typically require additional hardware such as a multi‑port Thunderbolt hub or a different solution.