Fractal Design Define Mini MicroATX Tower

Cases|Damping
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TEST RESULTS: AMD Radeon HD 5450

Our first test configuration features a low power passively cooled graphics card, a Radeon HD 5450. Our test configuration only gives us temperature data on the CPU and hard drive(s), so the HD 5450 gives us an extra data point from a different location within the case.


Our test system with a Radeon HD 5450.


System Measurements (Radeon HD 5450)
System State
Idle
CPU + GPU Load
System Fan Speeds
off
5V
7V
CPU Temp
25°C
67°C
62°C
59°C
HD Temp
36°C
36°C
33°C
32°C
GPU Temp
39°C
65°C
61°C
59°C
SPL@1m
14~15 dBA
15 dBA
16 dBA
19 dBA
System Power
47W
155W
154W
155W
CPU fan set to 9V.
Ambient temperature: 22°C.

Without out any assistance from the case fans, our test system heated up considerably under load, with CPU temperature hitting 67°C mark. Running the fans at just 5V resulted in a substantial improvement, chilling down the CPU and GPU by 5°C and 4°C respectively. The system was very quiet, emitting just 16 dBA@1m, 1 dB less with the stock fans turned off. We also did not notice any acoustic effects caused by hard drive vibration. At 7V the components cooled down slightly at the cost of an additional 3 dB. The sweet spot seemed to be 5V.


Our HD 5450 test system on load measured 16 dBA@1m with the stock fans at 5V.


Radeon HD 5450 Configuration: Comparison (Load)
Case
Lian Li
PC-V354*
SilverStone TJ08-E
Fractal Define Mini
SilverStone FT03**
System Fan Speeds
3 x 6V (two intake)
low/9V
2 x 7V
3 x 5V
CPU Temp
56°C
60°C
59°C
56°C
HD Temp
28°C
25°C
32°C
36°C
GPU Temp
65°C
56°C
59°C
68°C
SPL@1m
18 dBA
19 dBA
19 dBA
20 dBA
*PC-V354 tested with Noctua NH-C12P heatsink rather than the NH-U12P due to incompatibility.
**FT03 tested with a Seasonic X-650 power supply rather than the Cooler Master M700 due to incompatibility.
CPU fan set to 9V.
Ambient temperature: 22°C.

Against previously tested microATX models using our HD 5450 test system, the Define Mini is an average performer, matching the SilverStone TJ08-E in noise level, but losing in both hard drive and GPU temperature.



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