RAM and CPU compability

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WhitePanda123

Commendable
Dec 2, 2016
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I bought this parts :

Motherboard: ASUS ROG Strix X99 Gaming
https://www.asus.com/us/Motherboards/ROG-STRIX-X99-GAMING/

CPU : Intel I7-6850K
http://ark.intel.com/products/94188/Intel-Core-i7-6850K-Processor-15M-Cache-up-to-3_80-GHz

RAM : Gskill [Trident Z] F4-3400C16Q-32GTZKW
http://www.gskill.com/en/product/f4-3400c16q-32gtzkw

As you see and I checked the ASUS website, my motherboard support the RAM speed 3400MHz and Quad Channel.
But, when I visited the CPU website I found it only support DDR4 2400/2133 MHz Quad Channel memory speed.

I am confused, if I connected the parts together so I can't use the power of 3400MHz Quad Channel ? and I should back to buy 2400 MHz Quad channel ?

and all of High End Desktop CPUs support DDR4 2400/2133 MHz speed and I am wondering which other CPUs support 3400MHz?

thanks
 
Solution
Tradesman1
2133/2400 is simply the base spec for DDR4 DRAM and the CPUs (the CPU is the primary defining factor in what DRAM you can actually run. I have the X99 Strix also (in sig) - great mobo by the way ;) - and have found with my 6900K that 3200/14 (I'm running 64GB) is the sweet spot, going higher can tend to cut down the OC capabilities of the CPU.
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DigitalHamster

DigitalHamster

Respectable
Nov 10, 2016
231
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The RAM and CPU should work together as they are both DDR4 technologies.
Basically, the CPU is rated for up to 2400MHz, but frequencies higher than this are essentially an overclock. The thing is, nearly every single Intel CPU can handle far faster memory than it is 'rated' for, with no issues.
If the memory has an XMP profile of 3,400MHz, this should be activated in the BIOS and things should work fine.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
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2133/2400 is simply the base spec for DDR4 DRAM and the CPUs (the CPU is the primary defining factor in what DRAM you can actually run. I have the X99 Strix also (in sig) - great mobo by the way ;) - and have found with my 6900K that 3200/14 (I'm running 64GB) is the sweet spot, going higher can tend to cut down the OC capabilities of the CPU.
 
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