Thunderbolt 4
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://cablefyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://cablefyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://cablefyi.com/entity//)Use the native HTML custom element.
Max Speed
40.00 Gbps
Max Resolution
Dual 4K@60Hz or 8K@30Hz
Power Delivery
100W
Released
2020
Same 40 Gbps as TB3 but with mandatory certification: guaranteed dual 4K or single 8K, PCIe tunneling, and wake-from-sleep. Higher minimum requirements ensure consistent quality.
Bandwidth
40 Gbps
Power Delivery
100W
Capabilities
Data
✓
Video
✓
Audio
✓
Power
✓
Ethernet
✓
Future-Proof Analysis
The reliability-focused Thunderbolt. Certification guarantees mean less frustration with docks and cables.
Compatible Connectors
Cables
Speed Benchmarks
| Scenario | File Size | Theoretical | Realistic |
|---|---|---|---|
| Transfer a 1GB file | 1.00 GB | 0.2s | 0.2s |
| Transfer a 2GB photo album | 2.00 GB | 0.4s | 0.4s |
| Transfer a 10GB movie | 10.00 GB | 2.0s | 2.2s |
| Transfer a 25GB game install | 25.00 GB | 5.0s | 5.5s |
| Transfer a 50GB backup | 50.00 GB | 10.0s | 11.0s |
| Transfer a 100GB project | 100.00 GB | 20.0s | 22.0s |
| Transfer a 250GB backup archive | 250.00 GB | 50.0s | 55.0s |
| Transfer a 500GB drive clone | 500.00 GB | 100.0s | 110.0s |
| Transfer a 1TB drive image | 1000.00 GB | 200.0s | 220.0s |