Power: A very cheap PCU....

River Fl0

Reputable
Jul 23, 2014
11
0
4,510
So i recently bought a new GPU and it turns out it needs more power specifically 450W(12V current, 40A) and i want it for cheaper than 30$(including shipping and such) is it possible to get a decent one for that cheap? also i was looking into connecting two of my power supplies together, my 220W and my 300W would this be better because the price is only about 10-20$ for a cable to connect the together... Also sorry if this is in the wrong category wasn't sure which to put it in...
 
Solution
40A @ 12V would be at least a 480W PSU if you actually need that 40A for real - which you probably don't since most high-end single-GPU rigs only require about 400W actual power.

As far as putting multiple PSUs together, this usually does not work very well since normal PSUs lack the extra circuitry required to make load-sharing actually work properly. You would need to look into modular server PSUs for that. The cheap adapters may sort-of-work but I would not expect much reliability out of such a setup... you may end up still having to buy a higher quality PSU or worse, you might blow up some of your components.

It makes no sense to invest more in junk PSUs and hacks than a single decent quality PSU that gets the job done without hacks.
My best advice, save up. buy a good quality power supply with lots of wattage
and amps provided on the 12v power rail/rails.

Think of it this way, it would do no harm to buy a better quality PSU.
With more wattage. And amps.
When I buy one I always go over the wattage ect needed, so have some head room for upgrades like a new Graphics card or extra hardware. A good PSU of a good quality should last at least 5 to 6 years.

No point in messing around the PSU is the core component of any PC.

 

InvalidError

Titan
Moderator
40A @ 12V would be at least a 480W PSU if you actually need that 40A for real - which you probably don't since most high-end single-GPU rigs only require about 400W actual power.

As far as putting multiple PSUs together, this usually does not work very well since normal PSUs lack the extra circuitry required to make load-sharing actually work properly. You would need to look into modular server PSUs for that. The cheap adapters may sort-of-work but I would not expect much reliability out of such a setup... you may end up still having to buy a higher quality PSU or worse, you might blow up some of your components.

It makes no sense to invest more in junk PSUs and hacks than a single decent quality PSU that gets the job done without hacks.
 
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