Btw.: Why is RAM OC not important anymore? It was most important 2017 2018. So after RAM OC you lowered GPU Clock/ TDP until Hashrate drop. Today it mostly/ only depends on GPU Clock.
Recently: Took it down from max. RAM OC after watching an newer Video -> better Efficiency
Can you share the video, please?
https://www.youtube.com/watch?v=ISDeqQkvsSMMy Palit Jetstream 1070 easy does +1000 RAM OC
It was a beast then but now just the same like the cheaper Version in the Video.
Now I landed at
+600 RAM
+250 Core
73% Power
53° Celsius, 110 Watt, 27 MH/s
Gonne try the new Version and GPU Clock Lock

P.S. I'd like to mine ETC on 1060 3GB with Win10. Gonna try the Tip from above to reduce Ram usage of Win10. Not a lot more free RAM would be needed.
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If you use Windows 10 Enterprise N LTSC there will be enough RAM free, that's how I do it.