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Old 01-03-2008, 07:43 AM   #1 (permalink)
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Default PSU comparison question.

Hi all,

Simple question for those who know your stuff about PSU's.

I've had the OCZ 700w GameXStream PSU for roughly 1 year. Recently, to my surprise, it ceased to function and my PC wouldn't start up anymore.

Therefore, I replaced it with the Coolermaster Real Power M700 PSU .

Basically, as I know very little about PSU's. Which one would you guys say is a better PSU? In terms of the specs? Especially for things like gaming, and power for high-spec rigs....

Here are the specs for the two:


Type ATX12V
Maximum Power 700W
Fans 120mm fan x 1
PFC Active
Main Connector 20+4Pin
+12V Rails 4
PCI-E Connectors 2 x 6Pin
ATI CrossFire Support Yes
NVIDIA SLI Support SLI Certified
Modular Cabling Support No
Energy-Efficient 80 PLUS Certified
Over Voltage Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 10A @ 115V, 5A @ 230V
Output +3.3@36A,+5V@30A,+12V1@18A,+12V2@18A,+12V3@18A,+ 12V4@18A,-12V@0.8A,+5VSB@3.0A

Cooler Master:

Input Voltage 90 ~ 264V (Auto Range)
Input Current 12A @ 115Vac / 6.3A @ 230Vac
Input Frequency Range 47 ~ 63Hz
PFC Active PFC (0.99)
Power Good Signal 100 ~ 500 ms
Hold Up Time > 17 ms
Efficiency >80% Typically
MTBF >100,000 hrs
Protection OVP / OCP / OTP / OLP / Short / Full Protection
Output Capacity 700 Watts Continuous
Max. Output Capacity 840 Watts
Operation Temperature 0~40℃(Nominal Input Voltage)
Safety CE / cUL / TUV / NEMKO / BSMI / FCC
Certification nVIDIA SLI
Connector M/B 24 Pin x 1
CPU 4 Pin x 1
CPU 8 Pin x 1
PCI-E 8 Pin x2
PCI-E 6 Pin x 2
4 Pin Peripheral x 10
SATA x 6
4 Pin Floppy x 2

..or they more or less matched?

Cheers all.

"Heart, faith & steel".
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Old 01-03-2008, 08:14 AM   #2 (permalink)
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Default Re: PSU comparison question.

OCZ products by default have a very long warranty. I'm not sure but some of there products have a lifetime warranty. I can honestly say that ocz is a solid brand when it comes to pc components. I would return the cooler master and use the warranty on the ocz PSU.

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Old 01-03-2008, 09:52 AM   #3 (permalink)
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Default Re: PSU comparison question.

Yeah, I've sent the OCZ one back for an exchange.

However, in terms of power and performance, which one is best?
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Old 01-03-2008, 11:08 AM   #4 (permalink)
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Default Re: PSU comparison question.

Well, the Gamstream line has been known to have some voltage ripples here and there. Both are "ok", however there are better choices for the money.

Just refer to the power supply guide linked in signature for all the brand choices.
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Old 01-03-2008, 11:42 AM   #5 (permalink)
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Default Re: PSU comparison question.

Both are fairly good solid units but id take a corsair HX620/ pc power and cooling 610 over either of them.
MSI P35 Plat // 4GB DDR2 1033 // HD 4870 // Conroe C2D e6300 @ 2.5Ghz
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