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GPU & PSU inquiry

Last response: in Graphics & Displays
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September 15, 2012 2:17:09 PM

Hello peeps, I got a few questions.

I bought Sapphire 6870 the other day, but my LC power 450w [200w in reality :) ] PSU will not handle it probably and I am not willing to try it at all. I am thinking of getting this PSU

http://imageshack.us/a/img12/5584/napajanjefrontier500w...

I would like to know if the specs of this psu will manage my new gpu, if not then could you tell me what amps should I be looking for in 500w PSU's.

Thank you in advance.

More about : gpu psu inquiry

September 15, 2012 4:01:41 PM

Atm I am short on cash, so will this cheap psu I linked handle 6870 while I save up more money for better psu.
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a c 259 U Graphics card
September 15, 2012 4:16:20 PM

Pexze said:
Atm I am short on cash, so will this cheap psu I linked handle 6870 while I save up more money for better psu.


No. It looks like junk.
The data plate on the 500w psu says it can deliver 25 a @12v, if you can believe it.
The 430w corsair can deliver 28a.
A cheap psu will not deliver it's advertised power, as you have already learned with your LC power 450w
Also, it has the potential to damage everything it is connected to if it fails.

A good 500w psu will deliver about 34a.

Stick with known quality brands like Antec, Seasonic, Corsair, XFX, PC P&C.

If you are short of cash, wait until you have enough.
September 15, 2012 4:26:56 PM

geofelt said:
No. It looks like junk.
The data plate on the 500w psu says it can deliver 25 a @12v, if you can believe it.
The 430w corsair can deliver 28a.
A cheap psu will not deliver it's advertised power, as you have already learned with your LC power 450w
Also, it has the potential to damage everything it is connected to if it fails.

A good 500w psu will deliver about 34a.

Stick with known quality brands like Antec, Seasonic, Corsair, XFX, PC P&C.

If you are short of cash, wait until you have enough.


What do you think about this one
http://www.lc-power.de/index.php?id=184&L=1
a c 104 U Graphics card
September 15, 2012 4:36:10 PM

Thought it was a 6850, the links i send you are probably not enough for the 6870. ( The last one, OCZ, would though. )
a c 259 U Graphics card
September 15, 2012 4:43:01 PM

Dumb can't edit bug:( 
A 6870 needs two 6 pin power connectors.
The last linked psu has only one.
If a psu lacks a 6 pin connector,it is not strong enough to power two, even with an adapter.
a c 104 U Graphics card
September 15, 2012 4:45:21 PM

Oeps, my bad. Was to lazy to check again for amps and connectors :(  :non: 
a c 106 U Graphics card
September 15, 2012 4:55:11 PM

geofelt said:
Dumb can't edit bug:( 
A 6870 needs two 6 pin power connectors.
The last linked psu has only one.
If a psu lacks a 6 pin connector,it is not strong enough to power two, even with an adapter.



not necessarily. cards like the 6870 can use the adapter. There are Psu's with 1 6 pin cord that can power a 2 pin power card, as the cable was removed to cut cost. And this is the build I always point to.
a c 259 U Graphics card
September 15, 2012 5:00:40 PM

dudewitbow said:
not necessarily. cards like the 6870 can use the adapter. There are Psu's with 1 6 pin cord that can power a 2 pin power card, as the cable was removed to cut cost. And this is the build I always point to.

Good example, and true enough. But Antec is a quality psu, and has the amps to support an adapter. Most cheap psu's do not have the amps.
September 15, 2012 5:08:12 PM

geofelt said:
Dumb can't edit bug:( 
A 6870 needs two 6 pin power connectors.
The last linked psu has only one.
If a psu lacks a 6 pin connector,it is not strong enough to power two, even with an adapter.


Hmm, In every shop I've been every salesman is offering me some 500w psu with not even one 6 pin connector and they all say it can run 6870 or gtx 560 non Ti with the use of two 4 pin molex and 2 adapters. I dont know what to think any more.
a c 259 U Graphics card
September 15, 2012 5:12:44 PM

Pexze said:
Hmm, In every shop I've been every salesman is offering me some 500w psu with not even one 6 pin connector and they all say it can run 6870 or gtx 560 non Ti with the use of two 4 pin molex and 2 adapters. I dont know what to think any more.

If you ask for advice, you should consider taking it.
These forum members have no interest in selling you anything.
A salesman works on comission.
A good one will give you good advice if he is knowledgeable and ethical.
A bad salesman will sell you what he can.
September 15, 2012 5:17:26 PM

geofelt said:
If you ask for advice, you should consider taking it.
These forum members have no interest in selling you anything.
A salesman works on comission.
A good one will give you good advice if he is knowledgeable and ethical.
A bad salesman will sell you what he can.



True, true. Well I am going to get that crappy psu and measure its amps on connectors. If its not like it says on the sticker then I'm return it and save money for some better.

Thank you all for helping me on this matter so quickly.
!