1. Main Interface Types

1. USB-C (Type-C)
• One-cable solution: Supports both power delivery (PD) and video (DP Alt Mode)
• Version differences:
• USB 3.2 Gen2: 4K@60Hz
• Thunderbolt 3/4: 8K support
• Pros: Single-cable convenience
• Cons: Some budget devices may not support video output
2. Mini HDMI
• Common specs: HDMI 1.4/2.0
• Bandwidth comparison:
• HDMI 1.4: 4K@30Hz max
• HDMI 2.0: 4K@60Hz
• Best for: Game consoles, set-top boxes
3. Micro DisplayPort
• Pro choice: Higher refresh rates & color depth
• Bandwidth advantage: DP 1.4 supports 8K@60Hz
• Downside: Bulkier cables

2. One-Cable Compatibility Test

We tested 6 mainstream devices:

Key Findings:

1. 90% modern laptops support one-cable solution
2. Phones require specific video-out support
3. Game consoles usually need extra power

3. Buying Recommendations

1. Prioritize full-featured USB-C ports
2. Verify device's video protocol support
3. Invest in high-quality Type-C cable (100W PD recommended)
4. Multi-device users should choose dual-port (Type-C+HDMI) models

4. FAQ

Q: Why won't my laptop work with one-cable solution?

A: Possible reasons:

• Insufficient charger power (recommend ≥65W)
• Cable doesn't support video
• BIOS video output disabled

Q: Does one-cable affect charging speed?

A: Yes, power is shared. Suggestions:

• Gaming laptops: Use separate power
• Office laptops: Safe to use one-cable

Pro Tip: Always check manufacturer's specifications for your exact device model, as compatibility can vary even within the same product line.