How to know what detailed gen is usb-type A of zenbook ux8402ZE?

FongPouiFongPoui Level 3
edited October 28 in ZenBook
  1. System: WIndows 11
  2. Battery or AC: AC
  3. Model: UX8402ZE
  4. Frequency of occurrence:
  5. Reset OS:
  6. Screenshot or video:


Detailed description:I bought a 2TB nveme external sandisk extreme pro with claims that the read/write can go until 2000 mp/s. I tried in many way to get that speed and after searching for info on Google, this sandisk model needs a usb 3.2 gen 2. Before buying that, I checked that my zenbook duo 14 pro ux8402ze has that usb 3.2 gen 2. But the speed test is limited only around 1000 mps.

How can I solve this problem?

Ports specification of UX8402

1x USB 3.2 Gen 2 Type-A

2x Thunderbolt™ 4 supports display / power delivery

1x HDMI 2.1 FRL

1x 3.5mm Combo Audio Jack

1x DC-in

Micro SD Express 7.1 card reader


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