SilverStone Fortress FT04 Tower

Cases|Damping
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TEST RESULTS: SINGLE RADEON HD 4870 CONFIGURATION

System Measurements (HD 4870)
System State
Idle
CPU + GPU Load
System Fan Speeds
500 RPM
800 RPM
CPU Temp
27°C
41°C
39°C
SB Temp
49°C
58°C
56°C
HD Temp
30°C
31°C
30°C
GPU Temp
72°C
85°C
85°C
GPU Fan (auto)
950 RPM
1870 RPM
1800 RPM
SPL@1m
[right side]
23 dBA
[23 dBA]
26 dBA
[26~27dBA]
30~31 dBA
[31~32 dBA]
System Power (AC)
119W
308W
308W
CPU fan set to 100% speed.
Ambient temperature: 22°C.

Our single video card test configuration proved to be little challenge for the FT04. Sitting idle, system temperatures were relatively low but at 23 dBA@1m, it wasn't as quiet as we would have liked. With some cases we've seen 20 dBA@1m or lower in this state but that wasn't possible with the FT02's gigantic fans at minimum speed.

On full load, as one would expect, only the hard drive was immune to double-digit temperature increases. The video card's fan was spinning at 1870 RPM, which of course was the main contributor to the modest overall noise level of 26 dBA@1m. The stock fans are completely overkill for this setup — increasing their speed to 800 RPM resulted in minor temperature reductions and allowed the GPU fan to slow by only 70 RPM. The improvements were not worth the spike in noise to past 30 dBA@1m.

Usually, we measure case noise with our mic positioned diagonally from the left side panel as most manufacturers place windows on the left and presumably people would want to look inside their systems from their seated position. As the FT04 has a nonstandard layout with the window is on the right side and the back of the motherboard tray facing on the left side (blocking out a lot of the noise produced on the other side) we felt it wouldn't be fair unless we measured the noise output from the opposite side as well. There was no difference when the system was idle but on load it was about half a decibel lower. The sound emitted by the GPU fan was more pronounced from the right side.


HD 4870 Configuration Comparison (Load)
Case
SilverStone Fortress FT02
SilverStone Raven RV03
SilverStone Fortress FT04
Antec P280
System Fan Speeds
top at 9V, bottoms @11V/low
top, bottoms @9V/low
fronts @ 500 RPM
top, rear, front @low
CPU Temp
41°C
39°C
41°C
45°C
SB Temp
49°C
51°C
58°C
52°C
HD Temp
30°C
36°C
31°C
28°C
GPU Temp
85°C
83°C
85°C
85°C
GPU Fan (auto)
1600 RPM
1680 RPM
1870 RPM
1950 RPM
SPL@1m [right side]
25~26 dBA
25~26 dBA
26 dBA
[26~27dBA]
27 dBA
CPU fan set to 100% speed
All temperature results adjusted to 22°C ambient.

While the FT04 is one of the best performing cases in our single GPU test, the lack of a 120 mm exhaust fan and third 180 mm intake fan makes it difficult for the FT04 to compete with its predecessor. The FT04's best result was with the stock fans running at minimum speed but in this state, it was slightly louder than the FT02, and the Southbridge chip, which sits close to the video cards, was considerably hotter.



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