The USB-C Cable Confusion Continues
USB-C cables in 2026 support anywhere from 60W to 240W charging and 480Mbps to 120Gbps data transfer.
Thunderbolt 5: The Premium Standard
Thunderbolt 5 delivers 80Gbps bidirectional bandwidth. Active cables cost $40-80.
USB4 Version 2.0: The Practical Choice
USB4 v2 matches at 80Gbps for $15-25. Passive cables work up to 1 meter.
Which Cable for What
- External GPU: Thunderbolt 5 (required for PCIe tunneling)
- 4K/8K monitor: USB4 v2 or Thunderbolt 5
- Fast SSD transfer: USB4 v2 is sufficient
- 240W laptop charging: Any USB-C cable rated for 5A
- Phone charging: Any USB-C cable works
Our Recommendations
For most users, a USB4 v2 80Gbps cable ($20) handles everything. Only invest in Thunderbolt 5 for external GPU support.