For a long time, a long time, about a few days ago, because none of my low-end hosts had 2.5G network ports, I found two USB 2.5G network cards I bought a long time ago to test whether they can meet the requirements. 2.5G port throughput. However, after plugging in several computer hosts, its uplink rate is less than 2000Mbps. According to the strength of the CPU, it ranges from a weak 1500Mbps to a strong 1900Mbps.
Also, the two (RTL8156B) are originally for Synology DS418, but after installing the driver plug-in, they can only transmit at 1G speed, once they use 2.5G speed, it will be very slow, and even lose the network port, this article will give you the solution.
The following speed measurement results show that the uplink is only 1591Mbps, and the CPU is I5-4570. If I7-11700K is used, it can reach more than 1900 Mbps.
After tossing for two days, why change settings and parameters, and even doubt life.
Because I downloaded the latest version of the driver from the official website and used it from the beginning, I never suspected that it was the driver.
The latest driver is this: Install_USB_Win10_10050.20_03222022
Later found this version: Install_USB_Win10_10046.20_10222021
Once installed, you don’t need to set anything, and you can reach full speed directly.
Please search for “10046.20”, if you are using windows 10, then I can show you where to download https://www.mediafire.com/file/a9gg9t73pmfynmi/RTL8156B.10046.20.zip/file
Driver version screenshot: 10.46.20.621
Yes it is that simple.
If you are using a USB 2.5G network card and the uplink speed is not satisfied, just find this version of the driver and download it.
I don’t know why REALTEK would do this. The 2.5G network card actually has such a problem!
There are more and more wireless routers with 2.5G network ports, and more and more USB 2.5G network cards are used. If you encounter problems with uplink (sending) performance, please pay attention to the driver version.
Please Check our store for this kind of new 2.5G USB adapter.
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