The CPU was able to reach a 5GHz overclock with 1.3v with XMP enabled. I used Level 2 LLC with 1.3v set, which resulted in a voltage a little over 1.3v, but temperatures didn't result in CPU throttling.
Compatible Memory Overclocking Kits
In this section, I overclock four memory kits only using XMP, if the kit works then the results are below. I welcome memory vendors to send in their kits to be tested on each motherboard.
Corsair Dominator Platinum 3200MHz C16 8GBx2
G.Skill TridentZ 3866MHz C18 8GBx2
GEIL EVO X RGB 3200MHz C16 8GBx2
GEIL EVO FORZA 3200MHz C16 8GBx2
Like all of the other Z270 motherboards I have tested so far, the Z270 Extreme4 can overclock memory up to 3866MHz.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and Z270 Extreme4 Overview]
- Page 3 [ASRock Z270 Extreme4 Circuit Analysis]
- Page 4 [ASRock Z270 Extreme4 Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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