USB4 v2.0: 80 Gbps और 120 Gbps का रास्ता

## 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