I personally would change the PSU to something else , and do you need 1000W ?
Well if your gonna maybe do sli later then OK...but I would choose one of the EVGA PSUs
https://www.overclockers.co.uk/evga...plus-gold-modular-power-supply-ca-003-ea.html
went for 1000W just in case of sli mainly,
Will that m2 SSD prevent SLI?