Hi
I've read through the setup guide past day which is a great help; however, for powering two 2-blade S1s, are either Corsair CX Series CX750M or EVGA Supernova NEX750B 750W sufficient without OC? With OC? These are 750W units.
Also, what PSU would be quietest since that's pretty important (I'm assuming 2 x 450W would be noisier)? Would 2 x 600W run the quietest compared to 1 x 750W (if it works for 2 S1s)? BTW, there seem to be many different Corsair lines like CX, RM, HX etc. Is there a preference for one of these or are they all equally good (apart from noise)?
TIA
750W would be a min for a double overclocked antminer. You'd need around 1.3kw for two antminers, which is done cheaper by buying two 750s.
PSU noise is essentially determined by % load, the closer you are to load then the louder it will be. Still, even fully loaded PSUs are quieter than the miners they power as one is dissipating 15% heat and one the other 85%! If you don't know the difference between CX, RM and HX, the answer is you don't need to. Pick up the cheapest Corsair one that hits your requirements.