16pin

My new 4070TI came with a 16 pin to 2 x 6+2 pin adapter. My PCPartPicker build came with this warning: Will I be okay using the adapter that came with the card or should I be seeking out a 16 pin to 3 x 6+2 pin adapter?

Dear Sirs, I have the Fujitsu Esprimo P520 system running on 250W Proprietary Power Supply with 2 x 12V Rails 15A only capable to supply continuously 250W (max 17A 280W for 15 SEC) at peak. PSU Model is D12-250P1A (S26113-E5611-V70-1). I have currently Intel Core i7-4770, 1 x 8 GB DDR3...

Ok so in my second system i currently have a core2duo e8400 and i just ordered a core 2 quad q9400 yesterday from ebay . So my question is how much performance boost can i expect from core 2 duo to core 2 quad if any for that matter? As i never owned a core 2 quad before i dont know exactly the...