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Intel Killer Ethernet slower than my addon realtek.

SeventhWinds
Beginner
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I'm having an issue with Intel Killer ethernet E3100G 2.5Gbps

Issue is the ethernet is very slow compared to my generic Realtek 2.5Gbps.
Anytime I attempt to use the Intel my speed tests seem to be anywhere between 500-1.2Gbps for download and upload is 1.5-2.2Gbps.

 If I use the Realtek ethernet card, I get 2.3 / 2.25Gbps.

Intel Software Intelligence center never works as it simply has a blanks screen that reads service is not running.
Manually turning the service on allows the service to run for a few seconds before reverting to off.

Unfortunately for me I only have 1 extra PCI express slot thanks to poor research about my ASrock Tiachi Carrara motherboard so I can't keep using the 2.5Gbps realtek exclusively.

 Any thoughts on this? I saw another post recently about someone having the same issue.

Not sure if this will help but here's my DXdiag.txt

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Faez_Intel
Employee
1,007 Views

Hi SeventhWinds,


Good day and thank you for reaching out to the Intel Community Support.


For your inquiry, we will be moving this thread to the relevant team to further assist on your query as you have reached the Ethernet support community.


Thanks,

Faez _Intel


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