Nowadays the amount of people prefering a silent computer system is growing and growing. For
instance people who have a home theatre PC in their living room mostly want it to be silent.
The subject of this review is Silverstone's SST-ST30NF Power Supply, which is entirely
passively cooled by heatsinks. Since it contains no fans this PSU generates 0dBA background
noise, and thus on first sight it seems to be ideal for silent computer systems.
The box included the following items; the power supply, a power cable, a manual and a
mounting bracket.
Specifications
High efficiency power solution.
Optimum quality standard.
Classic design in style and tasteful shape of
Aluminum casing.
Supports two serial ATA Connector
Without fan
Background noise around 0 dBA.
Heat pipe with heat sink in ALuminum case.
Assumes PC stability
Indicator light to show state of PSU
Active PFC
Color
Silver
MAX Power
250W(100V~240V) / 300w(180V~240V)
Dimension
150mm(W) x 140mm(L) x
86mm(H)
Cooling
Without Fan
Acoustic
0 dBA
3.3 V & 5 V combine load 170W
Environmental
Specification
Operation
Temp
0C~25C
Relative
Humidity
non- condensing
20~90% RH
non-condensing
Storage
- 40C~70C
5 ~ 95 % RH
non-condensing
Operating /Storage Altitude
10,000 /
40,000FT
MTBF
100,000HRS
Safety Approvals
UL/CUL , CB
, TUV ,
EMC Regulation
FCC , CE
Electrical Specification
Input
Voltage
100 ~ 127 / 200 ~ 240 VAC
Manual select switch
Frequency
27 ~ 500 Hz un-modulated
Input Current
6A @ 115 VAC
3A @ 230 VAC
Output Specification
a. Input Voltage 200V~240V
Voltage
Minimum Load
Maximum Load
+5VDC
1A
25A
+3.3VDC
0.8A
23A
+12VDC
0.5A
18A
-12VDC
0A
0.7A
5VSB
0A
1.5A
During operation the maximum load shall not exceed 300W. The total load on
+5V and +3.3V shall not exceed 180W. The total load on +5V and +12V shall not
exceed 35A.
b. Input Voltage 100V~120V
Voltage
Minimum Load
Maximum Load
+5VDC
1A
21A
+3.3VDC
0.8A
20A
+12VDC
0.5A
17A
-12VDC
0A
0.7A
5VSB
0A
1.5A
During operation the maximum load shall not exceed 250W. The total load on +5V and +3.3V
shall not exceed 140W. The total load on +5V and +12V shall not exceed 30A.
Something strange is that according to the manual this PSU delivers a maximum of 300W when
the input voltage is 200V~240V, but only 250W when the input voltage is 100V~120V. The
maximum current on the 3.3V, 5V and 12V lines is also lower when the input voltage is
100V~120V.
I don't know the reason of this, I asked it to Silverstone, as soon as I receive their
answer I'll update the review.
Added: August 30th 2004 Reviewer:LSDsmurf Score: 8/10 Related Link:Silverstone Page: 1/2
Silverstone SST-ST30NF Power Supply Posted by Anonymous on 2007-07-05 15:55:49 My Score: 10/10
There's no good testing methode for the 3.3V line except depending on the motherboard readout, so the 3.3V line was monitored with Speedfan 4.14.
How stupid are you? Try measuring the 3.3v from the back of the ATX connector or even the SATA connector. Geez i'm surprised that people actually give you this equipment to test.
Silverstone SST-ST30NF Power Supply Posted by Anonymous on 2005-12-10 20:04:27 My Score: 8/10
Truly no fan noise or other buzz effects but it go to be very heat on my little case fanless sometimes causin overheat protection turnin the system off...
Vlad
Silverstone SST-ST30NF Power Supply Posted by Anonymous on 2004-11-11 22:13:56 My Score: 10/10
This power supply is absolutely great! Beneath the fact that there ist no annoying fan noise, there are also no whistles or buzz sounds from the power supply's electronic components.
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