are you sure????
intel love ppt in first launch
77k test 5G,but only oc to 4.8g
99k test 5G,but need 280mm>watercooling
9900k 1.26v 5g 200w+
1.26v is good, if 1.3v that need 230w-250w
99ks 150w , hahahahaha 1.2v??????
no..........
your cpu so bad...
my 9700k oc 5g+4.4g ring 1.275v
5g+4.6g ring 1.296v
play game 60c +- 5c (cpu 70%)
FPU 74c and 77c (cpu 100%)
you can try <1.3v can run what frequency
best <1.35v is safe
No.1: Ram Channel best on A2+B2
No.2: You need update MotherBoard Bios and user XMP / locking to 2400mhz
No.3:Try Win10 1709 and 1803
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Or buy New Ram