Well it is not about the PSU, it got a 8 pin that is not what it is about.
Its more regarding my other PC what is the MSI Trident 3 its carring a 230w PSU that can be upgraded to a 330w PSU but the issue remains the same by having only a 6 pin PCI-E on mainboard but apprently it works because linus reviewed it.
So that let me believe the 8 pin on the GTX 1070 don't add extra power or anything at all or MSI are wizards after all...
Also i saw review where the max power draw under heavy gaming load is 204w max so why do you even need the 330w psu if max power draw is under the 230w limit (i know usb can also draw power but still 100w more is not required i think?)