Sandisk extreme pro v2 cannot read/write to 2000 mb/s as advertized on UX8402ZE

[FongPoui]

System: Windows 11
Battery or AC: Both
Model: UX8402ZE
Frequency of occurrence:
Reset OS:
Screenshot or video:
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Detailed description：I bought a 2TB sandisk extreme pro version 2 whose the speed can be up to 2000 mb/s if connected via usb 3.2 Gen 2. The sandisk technical support adviced me to make a low level format and I did it via windows disk format.

This is a test result via Crystal Disk Mark version 8 before my low level format.

[Falcon_ASUS]

FongPoui

@Falcon_ASUS

UX8402ZE.302

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@FongPoui
The technical unit stated that, as in the previous reply, the USB port (Type-A) of UX8402ZE is USB 3.2 Gen2 2x1 (10Gbps).
USB 3.2 Gen 2x1 >> 1000 MB/s
USB 3.2 Gen 2x2 >> 2000 MB/s
So the speed test result you tested is correct.
Thank you.

[FongPoui]

@Falcon_ASUS
Thanks for your confirmation.
Can I upgrade this port from Gen 2x1 to Gen 2x2?
Is there a device that adapts TS4 port to usb 3.2 Gen 2x2?

[FongPoui]

@Falcon_ASUS
Some said this:
 TB4 contains USB 4 which is backward compatible to USB 3.2. You should get the same performance.
Is that correct?

 

[Falcon_ASUS]

FongPoui

@Falcon_ASUS

Thanks for your confirmation.

Can I upgrade this port from Gen 2x1 to Gen 2x2?

Is there a device that adapts TS4 port to usb 3.2 Gen 2x2?

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@FongPoui
1.Can I upgrade this port from Gen 2x1 to Gen 2x2?
>>Sorry, this is a hardware specification and cannot be upgraded.

2.Is there a device that adapts TS4 port to usb 3.2 Gen 2x2?
>>I would recommend you to use TYPE-C to TYPE-C cables directly.

3.TB4 contains USB 4 which is backward compatible to USB 3.2. You should get the same performance.
>>It is limited by the external device itself and cannot achieve the same performance.

Thank you.

[FongPoui]

So, I got a confirmation from Sandisk technical team that Sandisk extreme pro v2 (portable ssd nvme drive) will perfromace its full speed "if and only if" it is connected through a USB 3.2 Gen 2x2!!!
If your laptop doesn't have this type of usb, do not buy that sandisk!
Don't think that an adapter device to TS4 will help because usb port 3.2 gen 2x2 port is a hardware problem (motherboard). You can get a usb 3.2 gen 2x2 if and only if you replace your motherboard by a new which is equiped with that usb gen 2x2!!!