Post
Topic
Board Mining speculation
Re: Antminer S5 or SpondooliesTech SP20 to order - few questions
by
dogie
on 10/02/2015, 02:27:47 UTC

In other words: which is the better miner, when
  • hashing on same speed (1,1-1,3 TH/s)
  • powering 2 units by one of these PSUs
  • having the same prices per unit to me
  • regarding the noise

Appreciate your help.

...
- can be undervolted to 10-11V to achieve even better efficiency - in the range of 900/360 (SP20 doesnt really get any better than 900/420). This requires uncommon 12-10V voltage regulators though and generally there's 5%+ losses in doing so

What was the lowest voltage someone has verified the chips start at? I had a look at getting a variable PSU in but they were stupidly expensive.