NZXT Cryo S Aluminum Notebook Cooler

Jul 15th, 2009 | By Simon

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There’s not a whole lot to do with setting up the Cryo S. Simple put your laptop on the cooling surface and plug in power and USB. As I mentioned in the previous page, you have the option of powering the Cryo S from the wall or drawing the power from a USB port. One thing I immediately noticed is the lack of a power switch. NZXT recommends you plug in the DC power cord if you plan on using the USB ports for high amperage accessories. If you decide to use the power plug, which I do recommend, the fans will always be powered. The downfall of this is that if you shut off your laptop, the fans will continue to spin all night and there’s a bright green LED on the underside that will glow. The only way to have the fans turn off is if you power them using the USB to DC patch cord. You are now limiting the current supplied to the two additional USB ports and you’ve gained nothing in terms of adding USB ports to your notebook as you’ve added two but also removed two.

NZXT Cryo S NZXT Cryo S

To test the cooling performance of the Cryo S I put my Dell XPS m1210 to use. The laptop is right in the middle of the compatible range for the Cryo S. I’ll stress my laptop with Prime for 2 hours to get the maximum temperature and then I will let the system idle for two hours before recording the idle temperature. CPU Temperatures will be recorded by Notebook Hardware Control and I will use two thermal probes, one measuring the temperature of the exhaust air from the cooler and another taped to the bottom by the CPU.

Control

  • Dell XPS m1210

  • T5600 CPU @ 1.83 GHz
  • Modified with a 64GB SSD & 2GB DDR2 RAM

Notebook Coolers

  • NZXT Cryo S with fan at low and high speed

  • Cooler Master D1 Notebook Cooler
  • Light Laptop Stand
  • No additional cooling

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With the idle temperatures we see the Cryo S perform much better than than having the laptop sit flat on your desk. The exhaust temperatures are lower and the airflow lowers the overall laptop cover temperature, especially at high fan speeds. We can see that with the fans at low speed we have a big improvement in temperature.

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With the fan cranked to high speed the CPU temperature according to Notebook Hardware Control matched that of the Cooler Master D1. However the exhaust temperature and the bottom of the laptop was much cooler, indicating better overall cooling performance. The fans at low speed are my personal preference as you gain a lot of the cooler benefits with little added noise. With the fans unplugged, the laptop is elevated which allows better airflow and hence we see a small improvement in temperature – nothing to get overly excited about.

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