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RAM questions (DDR4)

Rippin_Kittin
Level 9
#1 - What does "higher" MHz in DDR4 actually do?
What kinds of performance gains will you *actually* notice in high demanding games?

#2 - I am running 4 sticks of G.SKill modules at the moment - tested "stock speed": 32000 MHz when in XMP.
I am trying them out @ 35000Mhz right now. What is the max safe voltage I can use them together with the 8700K?

If you want more specs on the RAM, just ask - just wondering what is generally safe to run with this system.
It's new so I'm a bit afraid to take too much out of the corners.


Just come out from a previous Haswell system (DDR3 and 4790K), so this is my first Coffee Lake experience (2 days now).
CPU is running @ 5,1 GHz on all cores, if that will have some importance to processing my RAM while not drawing too
much "current" - and therefore degrading the CPU just after a couple of years, even if it runs cool...
CPU: Intel Core i7-8700K @ 5.1 GHz || MB: ROG Strix Z370-F Gaming || Cooling: Corsair Hydro 115i
GFX: 2 x GeForce GTX 1080 Ti 11GB (SLI) || RAM: G.Skill Trident Z RGB 32GB OC @ 3300 MHz
Keyboard: Logitech G910 Orion Spectrum || Mouse: Logitech G502 Proteus Spectrum
Monitor: ASUS 27" ROG SWIFT PG279Q 165Hz || PSU: Corsair AX1600i || OS: Windows 10 Professional x64
Case: NZXT Phantom 820 FullTower - White


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