Weak antennas are a common problem on USB adapters, so definitely look for an adapter that has prominent external antennas. If there is metal between the router and adapter, the signal might be considerably weakened. Of course, file download speeds are often most dependent on the host server, so you may need to rely on something like http://speedtest.net
to more accurately measure your speed.
Thanks. Any good product recommendation?
I think my BeQuiet Dark Base Pro 900 Rev 2 has metal frame. The dongle is connected to a usb 3.1 port at the back. The computer is on my desk but I may put it under the desk later.
Will those with big antennas perform better than juse a small usb one? The one I have is:https://www.amazon.com/Panda-Wireless-PAU0A-AC600-Adapter/dp/B07C9TYDR4
For your reference, the speedtest results are as following:
My new i9-9900K Windows PC:
PING 11ms, Download Mbps 32.21, Upload Mbps 9.03
10 years old MacBook Pro connected to the same home network:
PING 41ms, Download Mbps 35.17, Upload Mbps 10.45
How come the 10 years old MBP has better download and upload performance than the latest much more powerful PC?
From Windows, I got the following properties: