Guys, Finally bought an Intel AX200 wifi card, downgraded the BIOS on my Thinkpad T440S to a version that had not implemented a whitelist and can now reliably do file transfers at 70MBps down and...

@JSchnee21 I looked up the Archer T3U and it is based on the Realtek RTL8812BU. Turns out I have a Comfast CF-812AC that uses the same chip but the transfer performance wasn't materially different...

@AsankaG Thanks for adding to the knowledge base @JSchnee21 I did some reading on the Lenovo forums and it looks like people are even more unhappy with the Qualcomm NICs than the Intel ones but it is...

@AsankaG Bummer! I'm now thinking of looking on Ebay for a whitelisted Qualcomm-Atheros NIC for my Lenovo. And for a sale on another EAP225

@JSchnee21 I tried Lenovo's wifi driver from 2017 and the results went up to 227Mbps! @AsankaG I tried using my Fire HD tablet for testing but it is unfortunately single stream

@JSchnee21 Thanks for the additional ideas to try. I have only 50Mbps Internet service so I've been doing the testing on the LAN which is where most of my heavy network traffic is in any case. I have...