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Thunderbolt 3 and Thunderbolt 4 cables both offer fast data transfer speeds of up to 40Gbps and can deliver up to 100W of power for charging devices.
However, Thunderbolt 4 brings some enhancements.
Display Support:
• Thunderbolt 4 must support dual 4K displays or one 8K display.
• Thunderbolt 3 only requires support for one 4K display.
Compatibility:
Thunderbolt 4 is fully compatible with all Thunderbolt 3 devices, while Thunderbolt 3 may have varying compatibility with some Windows laptops.
Security Features:
Thunderbolt 4 includes enhanced security features to protect against direct memory access (DMA) attacks.

Yes, Thunderbolt cables work with USB-C devices, but they offer faster speeds and more features than regular USB-C cables.

Yes, Thunderbolt cables can charge laptops and other devices with up to 100W of power, making them perfect for charging while transferring data.

While both Thunderbolt and USB-C cables share the same physical connector, Thunderbolt cables offer much higher data transfer speeds (up to 40Gbps) and additional features like video output for dual 4K displays and faster power delivery. USB-C cables typically offer lower data transfer speeds and may not support these advanced features.

Yes, you can use a Thunderbolt cable with a non-Thunderbolt USB-C device, but it will function as a regular USB-C cable, limited to the USB-C device's capabilities. The advanced features of Thunderbolt, like higher data transfer speeds and dual video output, won’t be available.

Yes, Thunderbolt cables are backward compatible. For example, a Thunderbolt 4 cable can be used with Thunderbolt 3 devices, but the performance will be limited to the capabilities of the older device.