z270 Extreme 4 - help with setting memory

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   I have 2 16gb Crucial 2400 modules and bought 2 new Mushkin 16gb 2133 (supposed to be 2400) modules. Am getting random crashes. Ram Memtest no erros on any modules. If I take out the Mushkins it works perfect. Called tech support and they said to manually set the speeds through XMP. I was unable to get XMP to work but changed the memory freq setting from auto to 2400. When I go into CPU-Z the memory settings for the Mushkin modules are still 2133. Scoured the web and cannot find a tutorial on what I need to do to fix this issue. Can anybody help please???

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GroundLoop Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 15 Dec 2017 Status: Offline Points: 7	Post Options Post Reply Quote GroundLoop Report Post Thanks(0) Quote Reply Topic: z270 Extreme 4 - help with setting memory Posted: 16 Dec 2018 at 9:29am
	I have 2 16gb Crucial 2400 modules and bought 2 new Mushkin 16gb 2133 (supposed to be 2400) modules. Am getting random crashes. Ram Memtest no erros on any modules. If I take out the Mushkins it works perfect. Called tech support and they said to manually set the speeds through XMP. I was unable to get XMP to work but changed the memory freq setting from auto to 2400. When I go into CPU-Z the memory settings for the Mushkin modules are still 2133. Scoured the web and cannot find a tutorial on what I need to do to fix this issue. Can anybody help please???
	Still have a AsRock G31M-S with 2 Samsung 1TB drives in RAID 1 running MS Small Business Server since 2009!!!!