| THUNDERBOLT 5 |
THUNDERBOLT 4 |
USB4 |
USB 3.2 |
|
| Data transfer rate | Up to 120 Gbps | Up to 80 Gbps | Minimum of 20 Gbps, 40 Gbps is optional.
120 Gbps is optional with USB4 Version 2.0 |
5 Gbps (Gen 1), 10 Gbps (Gen 2), or 20 Gbps (Gen 2x2) |
| PC video requirements | Dual 6K | Dual 4K | One monitor | One monitor |
| PC data requirements* | PCIe: 64Gbps USB 3: 10Gbps** |
PCIe: 32Gbps USB 3: 10Gbps |
USB 3: 10Gbps | USB 3: 5Gbps |
| Required PC charging on at least one computer port | Required up to 140 W, available up to 240 W | Required up to 100 W, available up to 140 W | Available up to 240 W | Available up to 240 W |
| Required PC wake from sleep when computer is connected to a Thunderbolt dock | Yes | Yes | No | No |
| Minimum PC port power for accessories | 15 W | 15 W | 7.5 W | 4.5 W |
| PC to PC networking* | 64Gbps | 32Gbps | N/A | N/A |
| Intel VT-d-based DMA protection required | Yes | Yes | No | No |
