Never had a problem. For your S1 and S3, it should work great. And if you decide to buy another S3 one day, you don't have to buy another PSU.
Is there a big red
"bulllshiessen" button on the webpage for me to press? Preferably which sets off flashing red hazard lights and honks a comically loud klaxon.
An S3 and an S1 on a 750W 12V rail would have to be so underclocked that you'd rather not do that.
Look up the power specs of the model and series number of your miners. While you are there, look up what one series-8 S7 would use, since planning ahead can sometimes be a good thing.
To, for example 360W for your S1 add a bit for overclocking headroom plus current surge when fan speed is increased. eg 420W.
Do the same for your S3.
add the two numbers together.
It won't be inside 750W, and that ATX trips a shutdown at exactly 750W, even if you go a little bit over for much less than a second.
Exactly ! 1000 watt seems more logical or 850w I dont want to RMA a second PSU
![Tongue](https://bitcointalk.org/Smileys/default/tongue.gif)
and also no underclocking for me , maybe about 2 months later i will buy a 1600 watt bitmain PSU , but for now i need something cheap nothing special. and tnx for the suggestions ! ;
I don't know why you would want a 1000 watt PSU for a 470watt load. Unless you're in the business of running the S1 at 200GH/400Watts, at which point something like a EVGA G2/GS 650/750/850/1000/1050 are all valid options. Depend simply how you intend on expanding later on.
Yooo I will definitely compare some of those EVGA's ! or this 1 ?
http://www.lc-power.com/en/product/netzteile/metatron-series/lc8850iii-v23-arkangel/ this will also do right ? for my next miners i will just go for a bitmain 1600 watt , or some other PSU from the miner store , i always forget that the seller also have good PSU's in the 50 euro range ! But this time i will write it down somewhere so i wont forget it the next time when i am planning to expand! .
anyway tnx for your suggestions
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
If you go for a cheap PSU, you're going to get poor result, as simple as that.
The EVGA is well EVGA, G2 is a serie GS is a silent serie, there is no difference for a miner. Search in your favored electronic retailer either EVGA G2 or EVGA GS. Anything 750w+ will do for overclocking both unit. 650w will do if you do it the reasonable way. Anything higher than 750w if you plan on upgrading, depending on how you plan to go about it.
Its a bit more expensive than going for a decent corsair or a good seasonic, but i get to push my miners higher with these. And 10 years warranty.