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Power Supply For My Gaming Rig

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  • Gaming
  • Power Supplies
  • Components
  • Graphics Cards
Last response: in Components
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January 27, 2014 9:55:23 PM

Hi everyone,

Lots of posting lately, trying to make sure I get this all right.

Am requiring a new power supply for my future gaming rig and am wondering If the two I have picked out will do the job or if not some suggestions for better ones.

The rig is:

Asus z87 Expert Motherboard
Intel 4670K CPU (will be overclocked)
Corsair H100 Water Cooler
2x Samsung Evo 120gb SSD's
2x Normal hard drives (1tb + 2tb)
Blu ray optical drive
2x GTX 760 4gb in SLI
Assorted PCI slot cards (sound card, tv tuner)
4x 120mm/ 140mm case fans

I think thats all the power drawers

Power supplies are:

http://www.pcforce.co.nz/antec-true-power-classic-750w-...

http://www.pcforce.co.nz/fsp-group-aurum-750w-modular-p...

First one is ANTEC TRUE POWER CLASSIC 750W 80PLUS GOLD. UP TO 92% EFFICIENCY, 2X HIGH CURRENT +12V RAILS. 6 X 6+2 PCI-E. 20% ENERGY SAVING >80PLUS

Second one is FSP GROUP AURUM 750W MODULAR PSU 80PLUS GOLD 120MM FAN 5 YEAR WARRANTY, 5 YEAR WARRANTY

Thanks in advance,

Ben

More about : power supply gaming rig

a b 4 Gaming
a c 1217 ) Power supply
a c 578 U Graphics card
January 27, 2014 10:13:43 PM

For a system using two GeForce GTX 760 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 700 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 50 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The Antec TruePower Classic 750W (TP-750C) power supply unit, with its maximum combined +12 Volt continuous current rating of 62 Amps and with six (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with two GeForce GTX 760 graphics cards in 2-way SLI mode. This power supply uses Seasonic as its OEM.

The FSP AURUM CM GOLD 750 (AU-750M) suffers from loose voltage regulation on the +12V and +3.3V rails so stay away from this one.
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a b U Graphics card
January 27, 2014 10:21:19 PM

The Antec has a better design. 2 high amp rails are better than 4 low amp rails in my opinion. Antec is cheaper too, so that's nice.
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January 27, 2014 10:27:46 PM

Appreciate the help,

I did suspect the Antec was the better of the two choices but was rather taken by the modular cabling.

In terms of overclocking, I will be looking at overclocking the CPU only to a maximum ghz or 4.5.

(new to overclocking so not after anything too extreme)

Will the Antex power supply still handle all that?

Thanks again for the help, I have tried to research these answers but i seem to have been glazing over on the finer details of PSU choosing
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a b U Graphics card
January 27, 2014 11:25:04 PM

Yeah, OC would likely increase power consumption by 40w or so as long as you don't go crazy with the voltages. 2 GTX 760 is 450w max, so you have 300w for the rest of the system.
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Best solution

a b 4 Gaming
a c 1217 ) Power supply
a c 578 U Graphics card
January 28, 2014 10:44:59 AM

BennyJi said:
Appreciate the help,

I did suspect the Antec was the better of the two choices but was rather taken by the modular cabling.

In terms of overclocking, I will be looking at overclocking the CPU only to a maximum ghz or 4.5.

(new to overclocking so not after anything too extreme)

Will the Antex power supply still handle all that?

Thanks again for the help, I have tried to research these answers but i seem to have been glazing over on the finer details of PSU choosing


Overclocking the i5-4670K to 4.5 GHz will require at least an extra 5 Amps or more from the +12V rail depending upon how much of a increase to the Core VID is required to achieve stability with your specific CPU.

There is enough spare capacity with the Antec TruePower Classic 750W (TP-750C) to handle that.
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