Angelbird CFexpress AV Pro type B 2TB read speed low, only 700MB/s on a USB3.2 2x2 port

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Hi,
Excuse me, I saw some old posts said that you can only got the read speed around 500MB to 700MB on Angelbird's CFexpress card with the USB3.2 2x2 card reader + USB3.2 2x2 USB port on your computer. And Angelbird's customer service also replied that it's normal to get such low read speed when reading from card reader to computer.
I just bought a 2TB CFexpress AV Pro MK2 card and also got such low read speed (only 700MB/s) as the old post did.
I am 100% sure that my computer has an effective USB3.2 2x2 port, and the Angelbird's card reader also get high read speed upto 1700MB on my Lexar 128GB CFExpress type B card.
I would like to ask you guys a favor for how did you fix the read speed issue on Angelbird's card? I saw some posts stated that you can get the full read speed on Angelbird's card, which makes me confused. Would you guys please teach me how did you make the read speed back to what Angelbird claimed on their product page 1785MB/s? I've tried a lot but still in vain. I can get 1700MB/s on my Lexar 128G card with no issue but Angelbird's 2TB card.
Best Regards
 
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