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Testing & Conclusion

December 1st, 2003 2:34 pm - Doc | [ Bottom ]

Testing

Smart and Silent Fan Control manages the fan's rotation speed by the amount of heat that is created and the amount of load there is. It removes unnecessary rotation of the fan to extend it�s life and at the same time reducing noise without increasing the temperature. Generic and other low priced power supplies increase the PSU's fan speed proportional to the amount of heat that is produced and the amount of load there is, which makes the fan noisier and spin more.

Test Bed
Processor:	Athlon XP 2600
Motherboard:	Asus A7V333
CD-ROM:	1x -
Hard Drive:	1x 80GB Maxtor

Testing with ASUS PC Probe

Power fluctuations over one hour while using benchmarking tools.

As it can can noticed, results vary very little, which mean the power supply offers constant power supply at all times.

PCMark 2003 - High Load and Low Load
�	VCore	+3.3	+5	+12
Low:	1.68	3.24	4.94	12.12
High:	1.69	3.26	4.97	12.19
Average:	1.685	3.25	4.955	12.15

Tested below are fan speed variations. As it can be seen from the test fluctuates very little.

�	High	Low	Average
Fan Speed	2860	2886	2875

Last two chart comparisons represent the variable fan control. First chart has the chassis fan turned low to preserve energy and to reduce noise. Second chart represents normal state of the chassis fan.

The tests were done showed that the power supply is very stable. The voltages fluctuated very little and remained five percent of the desired voltage. The power supply was very quiet at all times. The only difference between the low load and high load tests was that the voltages fluctuated more in the PCMark 2004 tests.

Conclusion:

The Apex 500 Watts power supply is amazing of how quiet and stable it is. The performance the power supply showed was magnificent. This power supply contained an astounding amount of features. The downside of the product is that it is expensive. This product is recommended to anyone who desires a quiet PSU, save money on the electricity bill and countless other reasons.

Pros:

Admirable performance

Physically appealing

Variable speed fan

Extremely quiet operation

Ample number of connectors, including Serial ATA

Cons:

Speed control knob is too small
Includes one Serial ATA connector, but two might be more practical

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