Slow network file transfer

[PickyBiker]

The attached image describes what is on my home WiFi network.
I have a 50mb fiber internet connection to the house.
Each PC is running Windows 11
Each PC is less than 35' from the router with only 1 wall between each PC.
Each PC shows the full 4 bars of signal strength.
Each of the PCs can download files from the internet and double-digit MB speeds.

The problem is file transfers from PC to PC happen at speeds of 5-60 KB. This is true whether I use 2.4g or 5g connections. Everything I know to check seems okay. All IPs are automatically assigned.

What can I check to speed the PC to PC file transfers?

[Home Network Guy]

This indeed sounds strange especially since you can download from the Internet faster than you can transfer files between your computers. The speeds should be much greater than that.

From a network perspective, I can't think of any reasons why that would happen, but I did find a page talking about slow file transfers (between 2 disks or over the network) which affects Windows 10/11. There is a long list of items that can cause that. It may be worth checking out to see if this is a Windows 11 problem caused by one or more issues.