If you're getting 150 Mbps, then your Ethernet connection isn't running at 100 Mbps. Also, it's never a good idea to use Internet connection speeds to determine the link speed of your network adapter, which is negotiated between the PC and whatever is physically on the other end of the cable.

If I have 100mbps internet what upload and download speed 100 mbps (millibits/second) is 10 seconds per bit. Please use the right units. 100 Mbps should give you a speed up to 100 Mbps for downloads. If you are getting less The Difference Between Download And Upload Internet Speeds Oct 18, 2018

Check Your Internet Speed with the Xfinity xFi Speed Test

Only getting 10 mbps instead of 100 mbps download speed Dec 30, 2019

100Mbps / Premium Evening Speed is the fastest speed and the surest way to future proof your connection. Large families and share houses will make use of the capacity of this connection speed to get lots of people online at the same time. If you regularly download large files, these plans are also a good option.

That is an amazing answer, thanks ! Unistalling Smartbytes on my Dell finally solved it. went from 8 Mbps download on Speedtest to 93 Mbps ! (similar with another speed rating). Unbelievable, like you said, spent time fooling with other settings 100 mbps (millibits/second) is 10 seconds per bit. Please use the right units. 100 Mbps should give you a speed up to 100 Mbps for downloads. If you are getting less Notice that the link "Speed" here reads as 100 Mbps. This means that the negotiated connection speed between the Ethernet adapter and whatever device it is plugged into is 100 Mbps. When everything is working correctly, this speed will read as 1.0 Gbps. Download speed vs. upload speed. Many providers offer internet plans with far faster download speeds than upload. For instance, AT&T download and upload internet speeds can have as much as an 80 Mbps difference between upload vs. download speed. Who has the fastest internet upload and download speeds