possible to use 7600mhz with z790 pg-itx£
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=25202
Printed Date: 21 Jul 2025 at 7:28pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: possible to use 7600mhz with z790 pg-itx£
Posted By: MonkCanatella
Subject: possible to use 7600mhz with z790 pg-itx£
Date Posted: 15 Dec 2022 at 12:11am
Is it possible to use 7600mhz hynix a die ram with the asrock z790 pg-itx? I'm wondering where the bottleneck is in terms of ram speed on the motherboard.
This is the ram I currently have. i'm pairing with a 13900k.
Is the 6800+ on the mobo specs a hard limit? It's really the best motherboard for itx builds but the memory speed lags behind things like msi's mpg edge z790 and the asus strix z790 itx boards which both allow for 8000+mhz.
https://www.newegg.com/global/mx-en/g-skill-32gb/p/N82E16820374438?Item=N82E16820374438" rel="nofollow - https://www.newegg.com/global/mx-en/g-skill-32gb/p/N82E16820374438?Item=N82E16820374438
Thanks for any responses!
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Replies:
Posted By: bjlockie
Date Posted: 15 Dec 2022 at 8:27am
No 7600MHz ram has been tested.
I would email ASRock support and tell them the exact parts.
https://www.asrock.com/mb/Intel/Z790%20PG-ITXTB4/#MemoryRPL" rel="nofollow - https://www.asrock.com/mb/Intel/Z790%20PG-ITXTB4/#MemoryRPL
6800+ probably means 6800MHz and faster.
The bottleneck will be can the motherboard supply the voltage and does the CPU work with the speed of ram.
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ASRock B450M Pro4
16 GB DDR4, 500 watt PS, AMD Ryzen-5 5600, NVidia GTX-1050, 5.70 BIOS
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Posted By: MonkCanatella
Date Posted: 16 Dec 2022 at 8:57am
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Very interesting. It does seem it can supply the voltage as I manually have set it to 1.4 for vdd and vddq, however, it post at 6800 but not a step above that. It also does not post at 6800 unless I manually enter the timings. Got any idea how I might get to the 7600 the ram is rated for? Seems to be receiving the 1.4 volts correctly at 6800, but above that the machine doesn't post and defaults to uefi
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Posted By: bjlockie
Date Posted: 17 Dec 2022 at 3:46am
I'd email ASRock support at this point.
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ASRock B450M Pro4
16 GB DDR4, 500 watt PS, AMD Ryzen-5 5600, NVidia GTX-1050, 5.70 BIOS
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Posted By: MonkCanatella
Date Posted: 18 Dec 2022 at 8:17am
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I've emailed their support just today. Is there any advice you can give me? I'm sure it's possible but it's just that I'm not familiar with the bios and/or what i'd need to do to supply the ram the correct voltage/set the correct parameters.
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