PC performance issue reported, no full gigabit speed detected. Assistance needed.
PC performance issue reported, no full gigabit speed detected. Assistance needed.
Here’s a revised version of your text:
I’m writing to thank anyone reading this. I recently installed a new gaming PC featuring an ASUS ROG Z490-E motherboard and an i7-10700k processor. I was expecting the gigabit adapter to deliver speeds up to 2.5 gigabits per second, but I’m only seeing around 350 Mbps. Initially, I assumed my internet service provider might be the issue. After several attempts to contact them without success, I realized I didn’t have another device with a gigabit port to test. Now that I’ve rebuilt my wife’s computer, it’s fully utilizing the speed. Still, I’m puzzled as to why such a high-end machine isn’t performing as expected. I tried manually enabling full-duplex gigabit mode, but it didn’t help. The same Ethernet cable that worked on her PC is the one I used, so the problem isn’t the cable. I’m really hoping someone can assist me with this frustrating issue. I’ll keep you updated on any responses as soon as possible. Thank you for your future support or any help you can offer.
The slow Ethernet often points to the cable itself. Ethernet technology has existed for a long time, but its speed was much lower than today. A worn or broken connector can instantly revert performance to an older standard. Minor issues like sharp bends, damaged crimps, or nearby electrical wires can disrupt it easily. The connection leading to the wall outlet is usually fixable, though other problems are harder to resolve.
The network card can handle up to 2.5 gbps ethernet, but this is only the negotiated speed with other devices like computers or your ISP router. If the other device doesn’t support that rate, your card will default to 1 gbps, capping download and upload speeds around 125 MB/s. Your ISP’s modem or router likely only supports 1 gbps ethernet, so your card communicates using that slower standard. In your situation, the router you receive probably only understands 1 gbps, which means it won’t recognize newer standards like WiFi 6. If you need faster speeds, ensure your router and modem support WiFi 6, otherwise it will operate at the lower 5 GHz standard.
The network card is experiencing an issue. https://community.intel.com/t5/Ethernet-...-p/1189493
You can look for internet card drivers on official manufacturer websites or trusted software stores. As for your MOBO, it’s worth checking its details or contacting the support team to rule out any issues.
I don’t have WiFi nearby and I prefer a wired setup. This is especially important for gaming since the cable I’m using is identical to the one I used with another working PC. Since computers are only about five feet apart, I can confidently ignore any interference issues.
On the Asus website, under your motherboard model, in the Downloads area: https://rog.asus.com/us/motherboards/rog..._download/ For Intel products, visit intel.com and download their Intel® Driver & Support Assistant: https://www.intel.com/content/www/us/en/...etect.html. This may provide firmware for your network card or newer drivers than those listed on Asus. The tool works correctly; I tested it myself and can uninstall it when needed. Intel also offers a dedicated page for network card drivers: https://www.intel.com/content/www/us/en/...pkw=i225-v. Be aware it’s a 600 MB bundle with all drivers for most network cards, and the installer should handle only your card’s drivers. The latest Asus driver is dated December 17th, while Intel’s update tool is likely in the download file. You might also use the Asus driver to ensure your firmware is updated to version 1.45, which the update utility should contain.
OK so the cable is probably fine. Or at least fine enough. Even if it can’t do 2.5gb it should still do 1gb. So it’s the machine. I like to rule out software before expensive hardware myself.