@Joseph-TP There’s been no proper response so far — only unhelpful comments like “drivers” or suggestions that the issue is on my end. However, this affects five separate systems, all using your NIC...

I have these 5 NIC's all with Windows Server 2022 or Windows Server 2025 that get packet loss With Linux there is no packet loss

@Joseph-TP Sadly the engineers are not helping anything.

@Joseph-TP 2xB650M DS3H 1xB650M PRO RD 1xZ790 GIGABYTE All use TP-LINK TX401 They all have ping spikes and packet loss during downloads or speedtests.

@Joseph-TP The same also happens with System Model Z790 EAGLE AX Version V1.0...

@Joseph-TP Yes, I’ve tried that. On Linux, there’s absolutely no packet loss or ping spikes. But on Windows Server 2025/2022, after running a few speed tests, the network adapter starts showing ping...