StarTech.com 3ft USB‑C to DisplayPort 1.4 Bidirectional Video Adapter Cable
The StarTech.com 3ft USB‑C to DisplayPort 1.4 Bidirectional Video Adapter Cable (CDP2DP141MBD) is a high‑performance, reversible cable that bridges the gap between modern USB‑C devices and legacy or next‑generation DisplayPort monitors. Designed for both USB‑C to DP and DP to USB‑C connections, it delivers uncompromised video and audio quality across a single, compact 1‑meter length.
Key Features
- Bidirectional Compatibility: Seamlessly switch between USB‑C source devices (laptops, tablets) and DisplayPort displays without needing separate cables.
- DisplayPort 1.4 Support: Full compliance with the latest DP standard, enabling 8K @ 30 Hz or 4K @ 60 Hz output with HDR and DSC (Dynamic Picture‑Stream Compression).
- High Bandwidth: Utilizes HBR3 (High Bit Rate 3) to achieve up to 32.4 Gbps, ensuring smooth, artifact‑free video transmission.
- Active Video Converter: Built‑in conversion circuitry guarantees signal integrity across the cable and supports both DP Alt Mode and USB‑C Alternate Mode.
- Thunderbolt 3 Compatibility: Works flawlessly with Thunderbolt 3 ports, providing additional data throughput for hybrid use cases.
- 7.1 Audio Channels: Supports multi‑channel audio passthrough, preserving surround sound fidelity from source to display.
- HDCP 2.2 Encryption: Full HDCP compliance protects content against unauthorized copying and ensures compatibility with protected media.
Technical Specifications
| Specification | Details |
| Connector Types | USB‑C (male) to DisplayPort (male) |
| Cable Length | 1 m (3.3 ft.) |
| Maximum Resolution | 7680 × 4320 (8K UHD) @ 30 Hz or 3840 × 2160 (4K) @ 60 Hz |
| Supported Audio Channels | 7.1 surround sound |
| Bandwidth | 32.4 Gbps (HBR3) |
| HDCP Version | 2.2 |
| Dynamic HDR Support | HDR10, HLG, Dolby Vision via DSC |
| Active Converter | Yes (internal video conversion) |
| Thunderbolt 3 Compatibility | Full support for data and video passthrough |
| Operating Temperature | 0 °C to 45 °C |
| Storage Temperature | -10 °C to 70 °C |
| Humidity Range | 10%–85% |
| Package Dimensions | 21 cm height, 125 mm depth, 15 mm width (carton) |
| Units per Carton | 100 pieces |
| Product Status | New |
Design and Build Quality
The cable features a robust 24‑pin USB‑C connector on one end and a standard DisplayPort male plug on the other. Both connectors are engineered for durability, with reinforced housings that resist bending and accidental pulls. The internal wiring is shielded to minimize electromagnetic interference, ensuring clean signal transmission even in high‑noise environments.
Use Cases
- Professional Workstations: Connect a 4K or 8K monitor to a laptop that only offers USB‑C ports, enabling high‑resolution graphics work, video editing, and CAD applications.
- Home Theater PCs (HTPCs): Route audio and video from a media center PC to a premium DisplayPort TV or projector while preserving surround sound.
- Conference Rooms: Pair a USB‑C enabled laptop with a large DisplayPort monitor for presentations, ensuring crisp visuals and multi‑channel audio.
- Gaming Setups: Link a gaming laptop to a 4K/60 Hz monitor or an 8K display for immersive gameplay, taking advantage of HDR and high refresh rates.
Installation Guide
- Insert the USB‑C male connector into the USB‑C port on your laptop, tablet, or docking station.
- Connect the DisplayPort male plug to the DisplayPort input of your monitor or projector.
- Power on both devices; most modern systems will automatically detect the connection and configure the display settings.
- If necessary, adjust resolution and refresh rate via your operating system’s display settings to match the supported 8K/4K modes.
Compatibility Checklist
| Device Type | Supported Port | Notes |
| Laptop / Ultrabook | USB‑C (Alt Mode) | Supports DP 1.4 output |
| Desktop PC | USB‑C or Thunderbolt 3 | Thunderbolt 3 offers higher bandwidth for data and video |
| Tablet / Mobile Device | USB‑C (Alt Mode) | May require firmware support for DP output |
| Monitor / Projector | DisplayPort 1.4 input | Supports 8K @ 30 Hz and 4K @ 60 Hz |
Why Choose This Cable?
The StarTech.com 3ft USB‑C to DisplayPort 1.4 Bidirectional Video Adapter Cable combines versatility, performance, and reliability in a single package. Its active conversion technology ensures that even the most demanding video streams—whether 8K HDR content or high‑refresh 4K gaming—are delivered without compromise. The reversible design eliminates cable clutter, while the robust build guarantees longevity across professional and consumer environments.
Final Thoughts
If you require a dependable bridge between USB‑C devices and DisplayPort displays, especially when working with high‑resolution or HDR content, this cable delivers on all fronts. Its comprehensive feature set—bidirectional connectivity, Thunderbolt 3 support, 7.1 audio passthrough, and full HDCP compliance—makes it an essential component for modern workstations, home theaters, and gaming rigs alike.