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Home > Hardware Reviews > Cooling Systems

Wednesday, June 23, 2010
Noctua NH-U9B SE2 review

3. How we test

Here is our test bed:

  • CPU: Intel Core7-920 Retail
  • Case: Open Air testbed
  • Motherboard: Asus P6T Deluxe Bios 1403
  • Memory: 3x1GB Crucial PC3-1066
  • PSU: OCZ 720W
  • HDD: WD 80JB
  • Operating system Windows XP with all the latest updates installed
  • Software: OCCT v2.0.1 & CoreTemp 0.99.3
  • Thermal Paste: Tuniq TX-2
  • Idle time: ~30min
  • Load time: ~30min
  • RPM speed controllable via SmartFan BIOS or via external hardware controller

We produced the highest possible temperature using the OCCT v2.0.1 software with a custom 30mins (mixed) operation:

We left both cores of our Intel Core i7-920 running at full load for ~30 minutes. The temperatures were logged using the CoreTemp 0.99.3 and the software itself. We took two measurements with our CPU running at stock speed and with then under overclocking:

  • Intel Core i7-920 @ 2.66GHz
  • Vcore: 1.1000V
  • Other BIOS values: Auto

  • Intel Core i7-920 @ 3.60GHz
  • Vcore: 1.26250V
  • DDR3 Voltage: 1.66V
  • Other BIOS values: Auto

The sound measurements were logged using the Precision Gold N09AQ Environment Meter. All the measurements were taken at a 30cm distance from the cpu cooler, with its fan spinning at full speed. For all the coolers appearing in the comparison charts we used the thermal compound, the Tuniq TX-2. As a last note, we remind you that these measurements may slightly differ from any possible measurements you may have, even if you are using the same testing configuration.




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