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Saturday | December 16, 2017
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NZXT Guardian 921

NZXT Guardian 921

System Setup and Thermal Performance

  • CPU: Intel Core 2 Duo E6320 @ 3.5GHz (Stock cooler)
  • Motherboard: Asus P5K-VM @ 500MHz FSB
  • HDD: Seagate ST3500630AS
  • VGA: Sparkle 9600GT
  • PSU: NorthQ Black Magic Flex 650W

In order to test the thermal performance of the case, we took temperature measurements with the components running on a desktop then compared readings with them fully assembled inside the chassis. We used two external thermal sensors to take readings from the video card (back of the chipset) and ambient temperature. The chipset and CPU temperature readings are taken from the motherboard sensors. Finally, the hard disk drive temperature reading is taken from the internal HDD sensor, via the speedfan utility.

Idle readings were taken after the system was left at the windows desktop for 10 minutes.  Load readings were taken after running PC Mark Vantage for one hour. The stock fans of the NZXT Guardian 921 are all running at their full speed.

 
CPU
Chipset
Video card
Hard disk
Ambient
 
Idle
Load
Idle
Load
Idle
Load
Idle
Load
Idle
Load
No case
41
60
48
58
56
67
40
45
24
24
NZXT Guardian 921
46
68
50
63
53
68
41
47
26
28

The thermal performance of the NZXT Guardian 921 case is fairly good, given that it is a simple steel case using three silent 120mm fans for cooling. The side panel fan seems to aid the cooling of the motherboard’s chipset and that of the GFX card’s passive cooler as well. This case should do very well keeping most gaming systems cool enough, but if you have a very powerful multi-GPU system you may want to invest money on something with better airflow and more space.

About Author

Stuart Davidson

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