[ GLOSSARY DEFINITION ] Ports

Thunderbolt

A very fast USB-C port standard (40 Gbps) for docks, external GPUs, displays, and storage.

Also known as: Thunderbolt 4 Thunderbolt 3 TB4

Full Definition & Technical Explanation

Thunderbolt runs over USB-C at 40 Gbps (TB3/TB4), combining data, DisplayPort video, and up to 100W charging in one port. See Thunderbolt: Thunderbolt 4 in laptop specs.

It can drive external GPUs and multiple 4K monitors. USB 4 ports are broadly compatible.

Related Technical Terms

DisplayPort
A display output standard that supports high refresh rates and can run over USB-C. Ports
PCI Express
The high-speed bus connecting CPU to GPU, SSDs, and other components. Performance
USB Power Delivery
A fast-charging standard over USB-C that can deliver up to 100W+ to phones and laptops. Ports
USB Type-C
The modern reversible connector for charging, data, and video; found on nearly all new devices. Ports
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