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USB4 Cables: When the Price Justifies the Speed

Engadget •
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USB‑C cables vary wildly in performance, and the newest USB4 standard pulls a premium—between $20 and $60—reflecting its higher speeds and power delivery.

The key advantage of USB4 is bandwidth. It supports up to 80 Gbps symmetric or 120/40 Gbps asymmetric with version 2, far beyond the 480 Mbps ceiling of USB 2.0. A single cable can run external monitors, SSDs, docking stations, and charge a laptop simultaneously. By contrast, the cable that ships with the iPhone 15 Pro Max delivers only 10 Gbps data and is limited to USB 2.0 charging speeds.

Compatibility matters. Thunderbolt గ్ర4 and Thunderbolt 5 share the same connector and can be interchangeable, but choosing a cable that matches the device’s official spec guarantees that you get the performance you pay for. If a user’s gear cannot exploit USB4 speeds, a cheaper cable that supports USB 2.0 or USB 3.0 may suffice.

For consumers, the decision hinges on future‑proofing. A USB4 cable locks in the fastest transfer rates and power delivery for the next few yearselt, while a lower‑tier cable can be swapped out later. For manufacturers, the premium price reflects a push toward higher‑bandwidth ecosystems that enable richer peripherals and more efficient power flows.