Thermaltake SubZero4G TEC for P4

Standard P4 type retention clips are here.  Each with an oversized thumb grip and hinge to allow you tool free installation and removal.  Sure this is the standard clip but hey, if it ain't broke why fix it.

The TEC cooler's fan is a 70 x 70 x 15mm number rated at 4800 RPM moving 35.3 CFM at 38 dBA when peaked out.  Its speed and subsequent noise is controlled by the microprocessor in the large card that goes in a PCI slot we keep mentioning.  As the base temperature rises, so does the fan speed to keep up with the increasing heat being transferred to the cooler.  Remember that you have the CPU making heat and the back side of the Peltier making heat, so staying on top of these readings is critical.  A clear LED case fan (blue) is also included.  This case fan is also meant to be plugged into the microprocessor card.  It is powered at 6, 8, or 12 volts depending on the needs as determined by the SubZero4G card.  The Tri-light Blue LED was a nice touch.  What was really cool was when the SubZero is under power, the blue LEDs pulse respective to the fan's speed.

     

Below is everything installed in an X-Sonic Aluminum Case.  The package states the entire kit can be installed in 90 seconds.  I don't know if I believe that one but definitely in under 2 mins.  Installation went smooth and without any difficulties.

Performance

As our comparison sink, we chose the Thermaltake Spark 7 and the Dr. Thermal Ti-707.  This should give us a real world comparison to better evaluate our test unit.  Both comparisons sinks were run with their respective fans set at wide open.

All measurements were obtained by a thermal probe mounted on the top of the chip so that the probe tip touches the CPU core.  Our load temperatures were attained by running the SiSoft Sandra 2003 Pro's burn in program for thirty minutes.  The reported results are the average of three runs per product.  Standard Silicone Thermal Paste was used as our interface material in all tests.  Ambient room temperature was 25.8 degrees Celsius and at no time did this base temperature deviate more than 0.5 degrees C.

Now our cursory statement…

No two systems will perform identically, or for that matter, there will be variations within a single system to some degree depending on several factors.   Hence our results may end up being a little better or a little worse than the results you may get in your own box.

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