The RM650X and 750X are the same price, as well as the EVGA Supernova G3 (https://www.amazon.co.uk/EVGA-SuperNOVA-Modular-Compact-220-G3-0750-X3/dp/B01M4NJSN5/ref=sr_1_6?keywords=750w+psu+platinum&qid=1567866585&s=gateway&sr=8-6)
The SuperNova has the best ratings and better tech. Best buy?