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View Full Version : New power supply for sli, which is better?


Wheels617
10-30-05, 07:42 PM
Well I just sold my enermax noisetaker 600w psu a few days ago, not intending to buy a 2nd video card. Wouldn't you know it but my parents bought me a 2nd one for my birthday, man I owe them :) Any who. I currently have an OCZ Modstream 520 watt power supply. I am looking at the OCZ powerstream 600w sli version or the pc power and cooling turbocool 510. Any opinions out there? I'll need to power everything in my sig, plus another 7800 gtx, and I am getting some new ram next week 2 x 1 gig ocz's.

thanks guys,

Wheels

|MaguS|
10-30-05, 09:27 PM
You can get a Seasonic S12 600w thats SLi compatible and just as good for a lower price. I love mine!

Amuro
10-30-05, 10:05 PM
PC Power & Cooling Turbo-Cool 510 Express/SLI:

+5V @ 40A
+12V @ 34A/38A
-5V @ 0.3A
-12V @ 2A
+3.3V @ 30A
+5VSB @ 3A
continuous = 510W
peak = 650W


Seasonic S12 600W:

+5V @ 30A
+12V1 @ 18A
+12V2 @ 18A
-5V ??
-12V @ 0.8A
+3.3V @ 30A
+5VSB @ 2A

Wheels617
10-30-05, 10:18 PM
I see that the ocz and the seasonic are both atx 12v 2.01, but the pc power and cooling isnt. Is there a big difference?

thanks all

Rytr
10-30-05, 10:33 PM
PC Power & Cooling Turbo-Cool 510 Express/SLI is listed as a version 2.2. Anyway, if you can afford this unit it would be your best bet.
The others mentioned will also do the job.

Wheels617
10-30-05, 10:37 PM
Wll judging from the specs that I see on newegg, the ocz powerstream has dual 12v rails, whereas the pc power and cooling has just one. So it really doesnt matter then?

thanks again for the help

Monnie Rock
10-30-05, 10:47 PM
I love my PC Power & Cooling 850 . I had a Thermaltake 680 that SLI choked. Not a problem now

jAkUp
10-31-05, 02:23 AM
PC Power and Cooling has the better rails. Actually they have the best in the industry with 95% tolerance. The OCZ Powerstream is good too, but if you want the best, PC Power and Cooling is the way to go.

I do alot of testing with powersupplies for my job, and putting extreme loads on the +12v rail. The PC Power and Cooling dropped to only 11.95v on extreme load. That is the best I have ever seen. Closest I have seen to that is about 11.85v. I have not tested a Seasonic so I am not too sure about that one though...

Wheels617
10-31-05, 02:37 AM
Thanks everyone who gave me advice, sounds like the pc power and cooling to me. Have a Happy Halloween all!

seeker010
10-31-05, 08:02 AM
PC Power and Cooling has the better rails. Actually they have the best in the industry with 95% tolerance. The OCZ Powerstream is good too, but if you want the best, PC Power and Cooling is the way to go.

I do alot of testing with powersupplies for my job, and putting extreme loads on the +12v rail. The PC Power and Cooling dropped to only 11.95v on extreme load. That is the best I have ever seen. Closest I have seen to that is about 11.85v. I have not tested a Seasonic so I am not too sure about that one though...
Well PC P&C has worked to strive for best electronic performance while the rest has strived for the best acoustic performance, but a .1V differential is larger than I had expected, though it's well within even 3% tolerances.

saturnotaku
10-31-05, 08:21 AM
I personally wouldn't get a PC Power and Cooling power supply because their sales support raised a pretty big red flag for me. I had sent them an e-mail with questions about some of their units and I was completely ignored, no acknowledgement or anything. If this is what their service is like before the sale, I dread to think what it would be like if I ordered a power supply and had a problem down the road with it.

seeker010
10-31-05, 08:28 AM
I personally wouldn't get a PC Power and Cooling power supply because their sales support raised a pretty big red flag for me. I had sent them an e-mail with questions about some of their units and I was completely ignored, no acknowledgement or anything. If this is what their service is like before the sale, I dread to think what it would be like if I ordered a power supply and had a problem down the road with it.
call them up. Besides, I've gotten the runaround from Antec with both email and phone. At least PCP&C talked to me on the other end.

|MaguS|
10-31-05, 10:31 AM
Only reason I chose Seasonic over PC Power and Cooling was noise vs performance, not a huge difference in actual performance and a bug difference in noise.

jAkUp
10-31-05, 10:58 AM
Well PC P&C has worked to strive for best electronic performance while the rest has strived for the best acoustic performance, but a .1V differential is larger than I had expected, though it's well within even 3% tolerances.

I also tested that new Enermax Liberty PSU... 11.79v on full load...

And caps only rated for 85 degrees C

ENU291
10-31-05, 11:18 AM
Anandtech uses an OCZ PowerStream 520 to test all their SLI setups.

Wheels617
10-31-05, 01:09 PM
Well with all of these other posts I am not so sure anymore :( I am willing to look at pretty much any good brand, and the only requirement is good clean power for all my stuff. I dont care if its modular or looks nice. Any more input guys?

thanks again!

jAkUp
10-31-05, 02:39 PM
Go PC Power and Cooling if you are not concerned about an ultra quiet system.

The PC Power and Cooling is not loud by any means, however, it is a little louder than most powersupplies under full load.

Strahd
10-31-05, 02:57 PM
As far as I am concerned, my Seasonic PSU (in Sig) is alot quieter and just as good as PC Power and Cooling. I give it two :thumbsup: