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Z790 Riptide - Extremely SLOW USB Transfer Rate

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Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
Printed Date: 13 Jun 2024 at 1:22pm
Software Version: Web Wiz Forums 12.04 -

Topic: Z790 Riptide - Extremely SLOW USB Transfer Rate
Posted By: Alberto.Saraggiotto
Subject: Z790 Riptide - Extremely SLOW USB Transfer Rate
Date Posted: 14 Sep 2023 at 5:28pm
Hi guys.

Z790 PG Riptide
BIOS 8.01
32 GB 3400
Windows 11
All drivers installed and checked tons of times
PC posting and working super fast and flawlessly in any task.

M.2 Gen 4 in M.2 #1 Slot
M.2 Gen 3 in M.2 #2 Slot
SSD in SATA 1 Slot
HD in SATA 2 Slot
HD in SATA 3 Slot

USB Speed in any port 3.0 to 3.2 EXTREMELY SLOW with high end USB keys and Samsung T5 (550 mb/s). All of them achieved great speeds in my old PC 4790K with Windows 10.

Really driving me crazy, tryed everything to solve it. Maybe a bandwidth issue due to all my drives?

Please help me.

Thank you.


Posted By: Alberto.Saraggiotto
Date Posted: 19 Sep 2023 at 4:44am
No one have any idea? Nor Asrock support team?

Posted By: Alberto.Saraggiotto
Date Posted: 27 Dec 2023 at 6:00am

Posted By: Xaltar
Date Posted: 27 Dec 2023 at 5:43pm
Please bare in mind most people are enjoying the holiday season presently.
If you are looking for direct support from ASRock try their Tech Support form:

This is a community forum and while ASRock does have representatives on the forums
they don't post very often.

I am afraid I don't have any suggestions other than testing with a single drive
installed to test your theory. Good luck and drop a reply here with your findings.
I will do my best to help out but I am busy with family obligations over the
holiday period


Posted By: Chillout
Date Posted: 31 Dec 2023 at 5:23am
You are a few BIOS updates behind... see if that helps.

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