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Featured i5 661 Build Part Two Cooler Master GX 750W Power Supply Review
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Written by Munk   
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http://www.tcmagazine.com/images/news/Hardware/Cooler_Master/Cooler_Master_GX_750W_PSU_01.jpgFor the sake of continuity I decided to go with the Cooler Master GX Series 750W Power Supply. Another aspect I like of the new GX series is that they are very quiet making them an ideal (somewhat over kill) choice for a home theater PC. Steady power is more than just a luxury it is a necessity that is why Cooler Master was one of my main choices for this new build, they have always made quality products and I will stand by their reputation for my new testing build. Let’s get a closer look at the new Cooler Master GX Series 750W Power Supply:

Provided by: Cooler Master

Price: $119.99

Closer Look:

Cooler Master Jumps a Car:

 

Specifications and Features:

  • High efficiency design that meets 80 Plus requirements (85% typical)
  • High reliability (MTBF >1000,000 hours)
  • Double layer EMI Filter restrains noise and injury to end-user
  • Ultra-silent operation with intelligent 120mm fan speed control
  • Five-year warranty

Testing Setup:

 

Testing:

In order to test the Cooler Master GX 750W Power Supply I will run 3 tests the first will be using a standard LCD power supply tester then I will be running both a load and idle test on all the power supplies. In our testing today we will be running 4 power supplies the Cooler Master GX 750W, the coolmax usa: CUL, VP, and ZP series power supplies. This will give us a broad range of power and price in order to see what we are dealing with.

 LCD Tester:

PSU

+5

+12

+3.3

-12

5VSB

PG

750 CUL

5.0

12.4

3.3

-12

5

320ns

600B

5

12

3.3

-11.6

5

280ns

750 ZP Silent

5

12.2

3.3

-12.3

5

280ns

CM 750W

5

12.1

3.3

-12.1

5

300ns

 

Load Idle:

Voltages

750 CUL

600B

ZP 750W Silent

CM 750W

 

Idle

Load

Idle

Load

Idle

Load

Idle

Load

+3.3

3.09

3.3

1.97

2.66

2.54

2.75

3.4

3.4

+5

4.9

4.97

4.97

4.97

5.05

5.05

5.1

5.1

+12

12.48

12.48

12.1

12.03

12.35

12.35

12.25

12.25

I was very impressed by the Cooler Master's performance. It stayed very close to ideal voltages and even under a considerable load it stayed rock solid at the exact same voltages as idle. I have personally never seen a power supply maintain such stability during the load idle test.

 

Conclusion:

Well I normally hate non-modular power supplies, and I mean hate the excess of wires is a complete annoyance. I take back all the bad things I said about them because the Cooler Master GX series power supplies are unbelievable. This PSU ran rock solid through everything I threw at it. I overclocked the i5-661 to 4.4 Ghz with no power fluctuations or any hardware failures. This power supply offers optimal power for any overclocker while still keeping the noise to a minimum.

Would I recommend the GX Series? Absolutely! If you are in the market for a great PSU with rock solid voltages the GX series is for you.

Pros:

  • Quiet
  • Lots of Expansion
  • Looks Great
  • Rock Solid Voltages 
  • It Jumps CARS!
Cons:
  • Not Modular (I am Sorry I Need my Modular)

 

 

 

 


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