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Swiftech MCW462-UH Water Block Review

Author: Ryan Shrout
Manufacturer: Swiftech
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Testing and Conclusion

This content was originally featured on Amdmb.com and has been converted to PC Perspective's website. Some color changes and flaws may appear.

The MCW462-Uh was tested under normal to extreme conditions so that both the average user and the enthusiast can determine if this water block is suitable for their needs. Throughout the entire testing procedure [with the exception of the idle test] I ran Folding@Home along with my normal everyday computer use to ensure a full load on the CPU and really heat things up.


The test bed:


  • M.S.I kt3 ultra
  • xp1600@ max1900mhz 2.18vcore
    @ min1400mhz 1.75vcore
  • 256 Samsung pc2700
  • MCW462-UH water block from Swiftech
  • Heater core radiator /adjustable Enermax 120mm fan
  • Shroud Supplied by Cooling Works
  • Via Aqua 1300 pump [370gph]
  • Digital Doctor 5 supplied by Firestorm in Calgary


Test procedure:


I started the testing procedure by making three temperature categories, water, ambient and CPU. The temperatures were then taken seven times for each category using ½ hr intervals for a total of 21 readings. When each test was completed I added up the seven readings from each category and divided the totals by seven to obtain the overall average temperature for each category. A ½ hr settle in period was allowed between tests to help ensure accuracy.


The temperatures were taken by the following means:
The ambient was taken in front of the air intake by a digital doc5 sensor across the radiator.


The water temp was taken in the T right after the radiator return line (before the pump) by a digital thermometer which is an indoor outdoor digital thermometer and can be found at radio shack.


The CPU temp was taken at the die by the digital doc 5. [Use caution when installing this sensor on your block]
The watts were calculated using computer nerds’ thermal calculator http://computernerd.com/cgi-bin/thermalcalculator.cgi which will give the estimated maximum thermal dissipation for the values submitted.

The test results:



lang=EN-CA style='color:white'>MHz of XP1600

lang=EN-CA style='color:white'>Vcore

lang=EN-CA style='color:white'>Ambient ºC

lang=EN-CA style='color:white'>Water ºC

lang=EN-CA style='color:white'>CPU ºC

lang=EN-CA style='color:white'>Delta ºC

lang=EN-CA style='color:white'>Watts


style='color:white'>1900

2.05

27.6

32.1

39

11.4

105.1


style='color:white'>1800

1.89

27.4

29.9

36.5

9.1

86.3


style='color:white'>1680

1.75

23.8

25.8

31.9

8.1

71


style='color:white'>1400

1.75

28.7

30.2

35.5

6.8

62.8


style='color:white'>1400(idle)

1.75

28.7

30.2

35.5

5.2

(idle)


Conclusion:


Other then a piece of Teflon tape, everything needed to mount the MCW462-UH on either Intel or AMD’S current platforms is included with the water block. A small tube of Artic Alumina was even included with the water block, which I thought was a nice touch.
For those who are worried of pump failure you can rest assured. The large water capacity of the MCW462-UH will allow the extra time needed for a secondary monitoring program to safely shut down your comp there by protecting your investment. Performance wise It took everything I could throw at it very well, although should further cooling performance be required a separate TEC assembly can be added quite easily at a later time. All said, the MCW462-UH is a great performing water block with some very simplistic clean looks to enhance the beauty of your case.

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