X470 K4 memory support
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=8463
Printed Date: 19 Jul 2025 at 5:05am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: X470 K4 memory support
Posted By: Asingo
Subject: X470 K4 memory support
Date Posted: 21 Apr 2018 at 9:03pm
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" rel="nofollow - Will this board support my CMK16GX4M2B3200C16 (Hynix - 2x8gb) at full speed, just load settings and that it? http://www.asrock.com/mb/AMD/Fatal1ty%20X470%20Gaming%20K4/index.asp#Memory Does this board has same VRM as x370 K4?
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Replies:
Posted By: Xaltar
Date Posted: 21 Apr 2018 at 10:36pm
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Your guess is as good as ours at this point. This is a community forum so until we see users here start using X470 boards we won't know. You can try sending a support ticket to Tech Support from the ASRock website. ------------- 
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Posted By: cristy6100
Date Posted: 21 Apr 2018 at 11:18pm
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Regarding the VRM's from the pictures they do seem to share the same power delivery, infact almost all high end X470 boards share the same PCB and VRM layout as their X370 counterparts, as I said numerous times before the X470 was released, the high end X470 boards are the same boards as the X370 from the same manufacturer, with more Bling Bling added and changed heatsink colours, the only difference lies in software, it was thought that X470 will be fabbed using 22/32nm or even lower, but they cancelled that and just rebranded the X370 chipset to X470. X470 boards ship with matured UEFI, but its the same UEFI that X370 boards currently have or will have this month or next month. There was a debate regarding XFR 2.0 and some other things not working on X370 but it was just a myth, but board manufacturers can lock the XFR2.0 configuration on X370 to force buyers to upgrade to X470, someone will not, as far as I know ASRock shares the same UEFI with all options unlocked for both X370 and X470.
The long story short is that, on high end boards the performance with a say 2700X is the same on a Fatality X370 K4 as is on the Fatality X470 K4. If you already have the X370 board no use in upgrading, there is a rumour about a new high end chipset named Z490 for AM4, if its true for some maybe that will be a true upgrade from X370, until then regardless of board OEM no use in upgrading from X370 to X470. Better spend the money somewhere else. If you want to buy a new board just go with X470, they are the same price as the X370 boards Both X370 and X470 are fabbed by TSMC using the 55nm node for who is curious its a mature node (2007-2008 introduced) Have a nice day
------------- Main Rig: AMD Ryzen 2400G | ASRock Fatality X370 ITX/ac UEFI 4.90 | Corsair LPX DDR4 2400@3200 1.35V | Corsair RM650i PSU | CM ML120L AiO Cooler |