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Verified compatibility answer

Can iPhone 15 Pro transfer data at 10 Gb/s over USB-C?

Apple specifies USB 3 data up to 10 Gb/s on iPhone 15 Pro, but the cable and connected device must also support that data rate. A USB-C cable that charges the phone is not proof of 10-Gb/s capability.

Compatible with conditionsVerified 2026-08-11

Why this answer matters

The phone, cable and destination form one data path. Replacing the phone because a charge-capable cable negotiates a slower mode is the wrong diagnostic branch.

3 requirements4 verification steps1 primary source

Requirements

What has to be true

  • iPhone 15 Pro or Pro Max rather than the non-Pro USB 2 models.
  • A USB-C cable rated for the required USB 3 data rate.
  • A host/storage interface capable of the target speed.

Verify it yourself

Use this test sequence

Change one variable at a time so you know which requirement made the difference.

  1. 1

    Confirm the exact iPhone model.

  2. 2

    Use a known 10-Gb/s-capable data cable and direct host port.

  3. 3

    Remove hubs/docks while measuring the baseline.

  4. 4

    Compare large-file transfer rather than a cloud/network copy when investigating the local USB path.

Limits

What this answer does not prove

  • 10 Gb/s is an interface maximum; storage, file system, host controller and workload reduce real throughput.
  • Charging wattage labels do not establish the cable's data rating.

Relevant DeviceOK checks

Test the part you can observe

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Data Transfer Time CalculatorEstimate ideal transfer time from data size and an entered link rate.
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Continue with the exact device

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