Is a USB 3.0 device possible with a four contact USB 2.0 connector?a.o 89ACc QqOimixpvdewwefawuOar B067TOoad

3

I have a cheap USB flash drive here which is marketed as USB 3.0, has the typical USB 3.0 blue plastic, but only comes with the classic USB 2.0 four contacts on the inside and has speeds in the USB 2.0 range.

Is there anything in the USB 3.0 spec that allows that configuration or is that simply a fake?

enter image description here

enter image description here

usb usb-3
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  • If it's too good to be true, it most likely is ;) – CustomX 8 hours ago
  • I don't believe the color of the connector is specified in the USB standard. Razer for instance uses a green connector on their USB devices. – Ramhound 3 hours ago

1 Answer 1

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7

It could be a fake. USB 2.0 only requires 4 pins, but for the bandwidth of USB 3, you need the additional 5 pins.

However, make sure it doesn't have those five pins. They can be hard to see, and they wouldn't be visible on the angle your picture has.

On the female end, you have the five pins right up front, on the male end, you have the five pins shoved in the back. They're small and hard to see.

USB 3.0 Female
USB 3 Pinout

USB 3.0 Male enter image description here

share|improve this answer
  • Added another picture from a flatter angle, definitely no sign of those five pins. – Grumbel 8 hours ago
  • 3
    Yeah, seeing the new picture, no way this can pull off USB 3.0, it's definitely a fake. – udlp 8 hours ago

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