Need info on ddr4 ram

Lynamcr · Sep 17, 2017

Building new gaming rig and new to the stuff. Looking at a i7 6700k maybe 7700k depending on price when I order. And a msi m7 270 motherboard.

My question is what is the best for ram. Lower or higher cas latency? or the actual mhz over the latency. What am I needing to look for. 2x8gb of course.

atomicWAR · Sep 17, 2017

You want the lowest CL rating first followed by higher frequency. As frequency goes up so does the CL rating. So you want the fastest frequency ram you can afford with the lowest CL rating you can find for that speed.

Lynamcr · Sep 17, 2017

Thank you. 3200 with a 16 decent or shoot for a lower latency like a 14 with a 3000 or 2800? Over the previous.

atomicWAR · Sep 17, 2017

3200mhz with CL 16 is decent. That's is what I would shoot for. The moral of the story is always get the lowest CL rated ram for the clock speed you purchase.

Lynamcr · Sep 17, 2017

Okay. Last question I hope. I'm going for at least 16gb. I found a I piece 16gb 3200 16 cl for cheaper than a 2 pack. Could I get one now and then order the same exact one later on if I want to add more ram. Or should I just buy the 2x8gb pack. Or will the one 16gb stick work well?

What would you recommend?

atomicWAR · Sep 17, 2017

I don't recommend going with one stick of ram. It will cut your bandwidth in half. Now if you say planned to buy another stick in a month....then maybe. But even this is a risk because mixing ram (even same make and model) doesn't always work because manufactures can do small changes that make sticks incompatible. If you using a very short time frame for one stick so you can afford another and thus higher overall capacity an argument can be made for doing that. Anything else though...it is a bad idea. So buy 2 sticks unless you plan on getting another in the VERY near future.

Lynamcr · Sep 17, 2017

Okay. Thank you very much on your info. Ive heard that about the packs. I didn't know if 1 16gb would be the same as 2x8gb. Or which would have been better in that case.

Rexper · Sep 17, 2017

https://pcpartpicker.com/forums/topic/240996-ram-and-its-effects-in-games-redux

Should be all the info you will need.

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