USB-C, Thunderbolt 4, and USB4: What's the Difference and Why It Matters
You've probably noticed that nearly every modern device now uses USB-C. But not all USB-C ports are created equal — the difference matters enormously for file transfer speed, charging, and what you can connect to your laptop.
Understanding USB-C (The Connector)
USB-C is simply a physical connector shape — smaller, reversible. The shape tells you nothing about speed. Always check the spec sheet.
USB Standards Explained
- USB 3.2 Gen 2: 10 Gbps — Fast enough for high-speed SSDs
- USB4 Gen 3: 80 Gbps — Can drive 8K displays and ultra-fast storage simultaneously
- Thunderbolt 4: 40 Gbps with strict certification; mandatory video output and daisy-chaining
- Thunderbolt 5: 120 Gbps burst bandwidth; supports 8K displays
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Recommended: USB Type-C Fast Charging Cable 3A — reliable 3A fast charging cable for all your USB-C devices, reinforced braided design.
What is Thunderbolt?
Thunderbolt is Intel's proprietary protocol that runs over USB-C cables — always fast, always feature-complete, backwards compatible with USB.
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Recommended: ConnectPro USB-C Hub — unlock all the ports your laptop should have: HDMI, USB-A, Ethernet, SD card and more via a single USB-C connection.
What Cable Should You Buy?
A USB-C cable looks the same regardless of speed. Always look for the USB4 40Gbps or Thunderbolt 4 logo on certified cables, and at least 240W Power Delivery if using for laptop charging.
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