Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Is this PSU better for 3 x GTX 260 .....?

Is this PSU better for 3 x GTX 260 .....?

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - Is this PSU better for 3 x GTX 260 .....?

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kayawish24   08-04-2009 at 09:34:46 PM

hello........!
i am want to ungrade my power supply to Chieftec CFT-1200G-DF 1200 Watt...but i dont know that the +12v rails be enough to run my Overcloked i7 950 @ 4Ghz and OC 3 x GTX 260 Core 216 3 way SLI.the specs of PSU in which i am intrested is..
Energy Efficient 80 PLUS Certified

80 PLUS Certified
Efficency > 80%
+3,3V 30 A
+5Vsb 6 A
+5V 30 A
+12V1 20 A
+12V2 20 A
+12V3 25 A
+12V4 25 A
+12V Total 90 A
-12V 0,8 A
more is here: http://www.newegg.com/Product/Prod [...] -DF%201200

my curent system is:-

CPU: Intel Core i7 950 @ 4GHz 1.36v 24/7 * prime95 stable *
Cpu Cooler: Thermaright 120 ULTRA Xtreme with 2 Fans
Board: ASUS P6t6 Revolution
Mem: 6GB Triple Channel DDR3 Corsair XMS3 1600MHz 8-8-8-24
GPU: Nvidia 3 x XFX GTX 260 Core 216 3-WAY SLI @ 715/1270/1431 (Core/Memory/Shader)
HDD: 640GB S-ATA Seagate Baracuda 32 Mb Cache 7200 Rpm
Sound: SoundMAX Full HD 7.1 Channel
OS: Windows Vista Ultimate SP1 x64 *Activated*
PSU: CORSAIR TX-850 Watts
Monitor: View Sonic 24" VA2413wm LCD

i dont think that my curent PSU corsair 850 watts can handle my curent setup....please help me.:wall:

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Bronze CPUs badge GhislainG   08-04-2009 at 10:23:28 PM
- 0 +

It's probably powerful enough, but do you really want to be one of the first buyers? Did you consider better PSUs like the BFG Tech EX-1200 (a lot more power on the 12V rails), a PC Power & Cooling PPCT1200ESA (single 90A 12V rail), a ENERMAX Galaxy EVO (lots of power on the 12V rails), etc.? What happens when using the Corsair?

Reply to GhislainG
geofelt   08-04-2009 at 10:39:17 PM
- 0 +

The specs say it is good enough.
I would look at the PC P&C silencer910 which would also do the job.
Best quality and cheaper:
http://www.newegg.com/Product/Prod [...] 6817703022

Reply to geofelt
outlw6669   08-04-2009 at 10:57:16 PM
- 1 +

Yeah, it should work but I am not to sure about the manufacturer.
Never heard to much about them one way or the other which makes them suspect in my book.

A better option might be the Corsair 1000HX.
At $10 less than the Chieftech after MIR, it is internally a 1500w PSU and of extremely high quality.
It will defiantly have no issues running your system.

Reply to outlw6669
ill b ben   08-04-2009 at 11:07:06 PM
- 0 +

Can i be rly bold here and say that his current 850 w corsair is... enough

Message quoted 1 times
Reply to ill b ben
Bronze CPUs badge GhislainG   08-04-2009 at 11:22:01 PM
- 0 +

ill b ben wrote :

Can i be rly bold here and say that his current 850 w corsair is... enough


That's why I asked what happens when using the Corsair, but the OP might be looking for a more powerful PSU for a totally different reason.

Message quoted 1 times
Reply to GhislainG
ill b ben   08-05-2009 at 01:04:27 AM
- 0 +

GhislainG wrote :

That's why I asked what happens when using the Corsair, but the OP might be looking for a more powerful PSU for a totally different reason.



could be yeh, just saying that he doesnt have to upgrade rly

Reply to ill b ben
kayawish24   08-07-2009 at 04:03:43 AM
- 0 +

what if i go for 3 x gtx 280......will my tx-850 work on that

Reply to kayawish24
Bronze CPUs badge GhislainG   08-07-2009 at 05:16:16 AM
- 0 +

Since you'll be increasing the PSU load by over 200 watts, you should buy a more powerful PSU (a 1000 watt unit should be enough, but I wouldn't recommend the Chieftec CFT-1200G-DF).

Reply to GhislainG
ill b ben   08-07-2009 at 11:08:00 AM
- 0 +

The Corsair you currently have will do that without trying, That psu is underrated aswell with its wattage, wouldnt b suprised if it could pull out 950 ish watt

So imo keep that Psu, but if you want to replace it for any reason (wattage shouldnt be one) like modulair? go for the Corsair 1000HX

Reply to ill b ben
kayawish24   08-07-2009 at 02:01:22 PM
- 0 +

i am intrested in this 1200 watts PSU for 3 x gtx 280s.............what do you say?

http://www.thermaltake.com/product [...] /w0156.asp

Reply to kayawish24
outlw6669   08-07-2009 at 02:05:30 PM
- 0 +

I vote NO.
The Corsair 1000HX has the same internals design as the Thermaltake 1500w.
It is, in fact, of higher quality inside as it uses all solid caps.
As the Corsair 1000HX costs more than $100 less and has better internals than the Thermaltake 1200w (or 1500w for that matter), I still highly recommend it for the job.


Message edited by outlw6669 on 08-07-2009 at 02:06:14 PM
------------------------------ If the automobile had followed the same development cycle as the computer, a Rolls-Royce today would cost $100, get a million miles to the gallon, and explode once a year, killing everyone inside.
PSA
 Reply to outlw6669
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