Nanoxia Deep Silence 1

Cases|Damping
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TEST RESULTS: 2 x Radeon HD 4870 (CrossFireX)

System Measurements (2 x HD 4870)
System State
Idle
CPU + GPU Load
System Fan Speeds
5V
9V
12V
12V (chimney raised)
CPU Temp
35°C
56°C
54°C
52°C
SB Temp
62°C
68°C
68°C
68°C
HD Temp
34°C
31°C
31°C
31°C
GPU #1 Temp
80°C
92°C
92°C
91°C
GPU #1
Fan Speed
1090 RPM
2390 RPM
2360 RPM
2350 RPM
GPU #2 Temp
74°C
86°C
85°C
85°C
GPU #2
Fan Speed
990 RPM
1860 RPM
1790 RPM
1750 RPM
SPL@1m
20 dBA
32~33 dBA
33 dBA
33 dBA
System Power (AC)
194W
533W
532W
531W
Top hard drive cages removed.
CPU fan set to 100% speed.
Ambient temperature: 22°C.

Doubling up in graphics cards created higher temperatures across board with the Southbridge taking much of the brunt due to its proximity to the GPUs. Despite the extra heat, the system was still fairly quiet when idle, measuring 20 dBA@1m with the fans at 5V, only 1 dB higher than our single card configuration. On load, the interior got quite toasty with first GPU (in the higher slot) passing the 90°C mark due to the heat rising off the second graphics card below it. As you'd expect, the noise level was very loud, measuring 32~33 dBA@1m with the stock fans at 9V, and just a tad higher at 12V. This time around, raising the chimney had a positive impact, albeit a minute one — the CPU cooled down by 2°C without any additional noise.

CrossFireX Configuration Comparison (Load)
Case
Raven RV03
Antec P280
LanCool PC-K59
Deep Silence 1
Temjin TJ04-E
System Fans Speeds
top @12V, bottoms @9V/low
top, rear, front @low
top, rear, front @9V
rear, fronts @12V
top, rear, front @9V
CPU Temp
41°C
45°C
46°C
52°C
51°C
SB Temp
66°C
64°C
63°C
68°C
67°C
HD Temp
34°C
28°C
28°C
31°C
30°C
GPU #1 Temp
87°C
89°C
89°C
91°C
90°C
GPU #1
Fan Speed
2140 RPM
2440 RPM
2300 RPM
2350 RPM
2280 RPM
GPU #2 Temp
81°C
84°C
83°C
85°C
85°C
GPU #2
Fan Speed
1820 RPM
1950 RPM
1810 RPM
1750 RPM
1950 RPM
SPL@1m
31~32°C
32~33 dBA
33 dBA
33 dBA
34 dBA
CPU fan set to 100% speed.
All temperature results adjusted to 22°C ambient.

The Deep Silence 1 doesn't perform as well as most of the compared models. It was competitive with the Antec P280 and LanCool PC-K59 for noise but its CPU, Southbridge, and hard drive temperatures were all higher. It's overall performance was most similar to the SilverStone Temjin TJ04-E, but keep in mind that model is only 51 L and has some odd design elements.

AUDIO RECORDINGS

These recordings were made with a high resolution, lab quality, digital recording system inside SPCR's own 11 dBA ambient anechoic chamber, then converted to LAME 128kbps encoded MP3s. We've listened long and hard to ensure there is no audible degradation from the original WAV files to these MP3s. They represent a quick snapshot of what we heard during the review.

Each recording starts with ambient noise, then 10 second segments of product at various states. For the most realistic results, set the volume so that the starting ambient level is just barely audible, then don't change the volume setting again while comparing all the sound files.



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