USB4 v2.0 : 80 Gbps et la voie vers 120 Gbps
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/guide/usb4-v2-deep-dive/" 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/guide/usb4-v2-deep-dive/Add a dynamic SVG badge to your README or docs.
[](https://cablefyi.com/guide/usb4-v2-deep-dive/)Use the native HTML custom element.
USB4 v2.0 double la bande passante à 80 Gbps (120 Gbps asymétrique) et ce que cela signifie pour les docks, écrans et stockage.
## What's New in USB4 v2.0
| Feature | USB4 v1.0 | USB4 v2.0 |
|---|---|---|
| Max speed | 40 Gbps | 80 Gbps (120 Gbps asym) |
| Tunneling | DP 2.0 | DP 2.1 |
| Power | 100W PD 3.0 | 240W PD 3.1 |
| Connector | USB-C | USB-C |
## Asymmetric Mode: 120 Gbps
USB4 v2.0 can allocate all four lanes in one direction for 120 Gbps downstream — ideal for driving three 4K displays or transferring data from fast NVMe arrays.
## What You'll Need
- New USB4 v2.0 cables (existing USB4 cables are limited to 40 Gbps)
- USB4 v2.0 host controller (2024+ PCs)
- USB4 v2.0 docks and peripherals
## Timeline
- 2024: First USB4 v2.0 controllers shipping in laptops
- 2025: Docks and peripherals becoming available
- 2026: Mainstream adoption expected