Intel Motherboards - Slow Network speed : Asus X99E-ITX/ac Win 8.1 Pro

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Slow Network speed : Asus X99E-ITX/ac Win 8.1 Pro

Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=1127
Printed Date: 05 Feb 2025 at 6:46pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: Slow Network speed : Asus X99E-ITX/ac Win 8.1 Pro

Posted By: MarkV1
Subject: Slow Network speed : Asus X99E-ITX/ac Win 8.1 Pro
Date Posted: 30 Oct 2015 at 3:52am

Slow Network speed for Asus X99E-ITX/ac on Win 8.1 Pro x64

Doing a speedtest.net on my X99e-ITX/ac (either of the two ports), I get a maximum of 30mbps down and 1 mbps up.

The machine right next to it is doing 355mbps down/236 mbps up. Same network. Same destination.

I swapped cables. The speed stays fast on the machine next to it and slow on the X99E-ITX. I swapped ports. Same thing.

I reinstalled the Intel LAN (dated 2/17) drivers from the ASrock support web. I disabled wifi (since I was concerned it was using Wifi instead of wired LAN). I've swapped routers/switches. I tried different browsers (Chrome/IE)

What else am I missing?

Thanks!

Replies:

Posted By: MarkV1
Date Posted: 30 Oct 2015 at 4:01am

It was the ASRock XFast LAN utility. Uninstalled and everything went back to fast.

Posted By: MarkV1
Date Posted: 30 Oct 2015 at 4:05am

And pardon my ASUS / ASRock flipping. I did too much ASUS as a young man and it obviously had a detrimental effect on my brain.