Hope you don't mind me going a little off topic, but since you guys are talking power supplies, I would really like to know if you SS pros would approve this one? You are not allowed to view links.
Register or Login
If I am running the numbers right I could power 943 nodes. (35*12)*.8/.356. I know this is not the most robust ps but if I really get into SS I will eventually use 2 hub setups.
BTW 108amps?! That's a beast.
It is single rail... good.
It supplies 35A of 12v... so 420 watts. And you only want to plan for 80% of that or 336 watts.
You need .356 for each node... so 943. right.
If you used all 16 strings, that is 58 nodes a string.
If you used 128 nodes/string (max) that would be 7 strings.
Your numbers are good, but this power supply will only give you the ability to meet 46% of the hub's capacity, and that also chews up 46% of your channels. 943/2048.
It'll work, but someday you might wish it had more oomph. Or you might forget its limits and add too many at some point and cause to to choke under the weight.
But it will work.
REVISED: with channel limit of 4096 and 3 colors per pixel there are only 1365 pixels available on an active hub. So the 943
420watts in your PSU is smaller than the max usable power (calculated below) of 620watts. So you are only powering this hub at 67% of what it could do.
This also matches up to the 943 of 1365 possible pixels: 69%... the numbers are slightly off by not considering the amps drawn by the SSC.