Thunderbolt 1/2/3/4/5 (Specification/Interface)

Thunderbolt 1/2/3/4/5 (Specification/Interface)

Thunderbolt 3/4/5

  • developed by Intel and Apple
  • combines PCIe and DisplayPort into two serial signals and DC power via a single cable
  • up to 6 peripherals may be supported through one connector
  • Thunderbolt 1/2 uses the Mini DisplayPort (MDP)
  • Thunderbolt 3/4/5 uses the USB-C connector

Thunderbolt - Bitrate

  • Thunderbolt 1: 2 channels, 10 Gbit/s each (20 Gbit/s in total)
  • Thunderbolt 2: 20 Gbit/s in total
  • Thunderbolt 3: 40 Gbit/s bidirectional
  • Thunderbolt 4: 40 Gbit/s bidirectional
  • Thunderbolt 5: 80 Gbit/s bidirectional

Thunderbolt - Protocol

  • Thunderbolt 1: x4 PCI Express 2.0, DisplayPort 1.1a
  • Thunderbolt 2: x4 PCI Express 2.0, DisplayPort 1.2
  • Thunderbolt 3: x4 PCI Express 3.0, DisplayPort 1.2, USB 3.1 Gen 2
  • Thunderbolt 4: x4 PCI Express 3.0, DisplayPort 2.0, USB 4
  • Thunderbolt 5: x4 PCI Express 4.0, DisplayPort 2.1, USB 4