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I install X520-SR2 card at two dell T5820 workstations whose cpu type is Xeon W-2123. Operation System is WIN7 x64. When I use iperf to test speed with each other, the value is only about 350MB/s.
But when I intall X520-SR2 card at two PC whose cpu type is i5 using WIN7 x64 , the speed can achieve to 800MB/s.
What is the problem? help!
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Hi hyach,
Thank you for posting in Intel® Ethernet Community.
Kindly provide the System Support Utility logs of the 2 cpu type. This will help us look into the configuration of your dell T5820 workstation and i5 system.
-Download and run the .exe from this link - https://downloadcenter.intel.com/download/25293/Intel-System-Support-Utility-for-Windows- -
Check "everything" then click "scan"
When scan is finished click "next"
Save the log and attach it to a post
Looking forward to your response.
Best Regards,
Vince T.
Intel Customer Support
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Hi hyach,
We'd like to follow-up the requested information. Thanks.
Best Regards,
Vince T.
Intel Customer Support
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