Z170M Extreme4 & memory

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   I recently built my new machine with a Z170M Extreme4 motherboard, a 6600K CPU cooled using a Cooler Master Seidon 120, and 2 8gb sticks of GSkill Ripjaws V F4-320016D-16GVKB memory. I am able to use the easy OC function to boost my CPU to 4.6 without a hiccup and the temps stay low. 
My problem is the memory. It is rated for 3200 and the board supports even faster ram when OC, but when I set the XMP profile I can't get the PC to boot to windows. I'm running the latest 1.70 BIOS and I've checked the DRAM voltage and it is at 1.35 so I'm wondering what I may be doing wrong, or if I should return the memory and save some money by buying memory that is meant to run at stock 2133? 

Thanks in advance.

Edit: forgot to mention I'm on Windows 10.

Edited by 175pixels - 27 Apr 2016 at 8:43pm

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175pixels Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Apr 2016 Status: Offline Points: 4	Post Options Post Reply Quote 175pixels Report Post Thanks(0) Quote Reply Topic: Z170M Extreme4 & memory Posted: 27 Apr 2016 at 8:25pm
	I recently built my new machine with a Z170M Extreme4 motherboard, a 6600K CPU cooled using a Cooler Master Seidon 120, and 2 8gb sticks of GSkill Ripjaws V F4-320016D-16GVKB memory. I am able to use the easy OC function to boost my CPU to 4.6 without a hiccup and the temps stay low. My problem is the memory. It is rated for 3200 and the board supports even faster ram when OC, but when I set the XMP profile I can't get the PC to boot to windows. I'm running the latest 1.70 BIOS and I've checked the DRAM voltage and it is at 1.35 so I'm wondering what I may be doing wrong, or if I should return the memory and save some money by buying memory that is meant to run at stock 2133? Thanks in advance. Edit: forgot to mention I'm on Windows 10. Edited by 175pixels - 27 Apr 2016 at 8:43pm
	ASROCK Z170M Extreme4 6600K 16gb DDR4 Cooler Master Seidon 120

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 27 Apr 2016 at 9:56pm
	Have you tried manually setting your memory speed in the UEFI? I would start at 2133 then push it up a notch every time it boots successfully. Once you top out and are no longer able to boot into the OS drop it down a notch and then run memtest to make sure it is running properly. Also make sure your RAM is in the correct slots for dual DIMM operation, slots A2 and B2 preferentially according to your user manual.


175pixels Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Apr 2016 Status: Offline Points: 4	Post Options Post Reply Quote 175pixels Report Post Thanks(0) Quote Reply Posted: 28 Apr 2016 at 12:19am
	Yes, they are in slots A2 & B2 per the manual. I took your advice to do it manually and so far I am able to get it to boot at 2600, running memteset to verify stability.
	ASROCK Z170M Extreme4 6600K 16gb DDR4 Cooler Master Seidon 120