Fatal1ty Z170 Professional Gaming i7 DDR4 Ram
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=2672
Printed Date: 19 Jul 2025 at 6:56am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Fatal1ty Z170 Professional Gaming i7 DDR4 Ram
Posted By: wtfskilz
Subject: Fatal1ty Z170 Professional Gaming i7 DDR4 Ram
Date Posted: 16 May 2016 at 3:26pm
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On my Fatal1ty Z170 Professional Gaming i7, I am using G-skill F4-3600C16D-16GVK ram. I was unable to get it to XMP settings, most likely because of my mobo limitations, however the memory support list shows this mobo is capable of running at 3600MHZ at CAS 17. I was unable to do this manually, likely due to not knowing the other clocks :( Please help me!
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Replies:
Posted By: parsec
Date Posted: 16 May 2016 at 6:23pm
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First, G.SKILL does not have your board in its QVL list of this memory, nor does your board. So getting it to work at its full rated speed will be difficult. DDR4 memory is very new, and checking the compatibility lists is very important. Your board's memory support list also provides other information about using memory at speeds up to 3600. Note that most of the 3600 memory listed indicates that one DIMM used in single channel mode is the most that can be used. Does your memory run at its default speed of 2133? If so, in Windows you can run CPU-Z, and in the SPD tab you might find the other memory speeds, or "clocks" as you said. Otherwise, the DRAM Frequency option in the UEFI will list the available speeds you can select. If you cannot use the XMP setting (is that what you meant?) you can set the basic options manually. Select the DRAM Frequency, and set the DRAM Voltage to 1.35V. Set the VCCIO voltage to about 1.150V, and the VCCSA voltage to 1.200V. Leave all the timings at Auto or the default setting. Which memory slots are you using? You should be using the A2 and B2 slots. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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Posted By: wtfskilz
Date Posted: 21 May 2016 at 4:08pm
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It shows two XMP options in bios, but neither of them are stable. I have been recently testing 3600MHz-17-18-18-38 T2 so far seems stable, but it actually performs worst than my 3000MHz-14-14-14-34 T2 timings. This is likely, because I don't know what the typical 3600-17 timings should be set as in bios. Yes I am using A2, and B2 slots, I've also tested each stick of ram separately, both are similar in performance. Actually both my VCCIO, and VCCSA are a little higher than that, and my ram is 1.355V for good measure. I've already tried this several times with Auto settings, it won't even boot, and if it does manage to boot I normally get a BSOD pretty quickly. I do realize that my ram isn't supportive. Correct me if I'm wrong, but IMO this just means that my Mobo can't handle these speeds, but I should be able to use looser timings, and be able to get it stabe.
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