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- By David_W @Sep 18, 2012
After successfully expanding and leading SFF(small form factor) cases and SFX PSU into the DIY (do it yourself) market, SilverStone engineers have continued their push for advancement in these categories by releasing a true upgrade-worthy small form factor power supply, the ST45SF-G. Despite being half the size of a regular ATX power supply, the ST45SF-G can still produce continuous power output of 450W. Its 80 PLUS Gold level efficiency is a great leap from the previous SFX best of 80 PLUS Bronze and the full modular cables is also the first of its kind for this form factor. To enable users to easily take advantage of this excellent SFX power supply, an adapter is included to convert ST45SF-G to mount in any ATX case in addition to ones that fit only SFX. For SFF users and for SilverStone, the ST45SF-G is more than just an upgrade, it is an important milestone for DIY desktop computer.
Support standard SFX form factor and ATX via included bracket
80 PLUS Gold level efficiency (87%~90% efficiency at 20%~100% loading)
100% modular cables
450W continuous power output at 40? operating temperature rated for 24/7 operation
Class-leading single +12V rail with 37A
Strict ±3% voltage regulation and low ripple & noise
Silent running 80mm fan with 18dBA minimum
Single PCI-E 8pin and dual PCI-E 6pin connectors support
Active PFC
Specifications
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History
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- by David_W @Sep 18, 2012
Model No.
SST-ST45SF-G
Max. DC Output
450W
Load Range
+3.3V
+5V
+12V1
+5VSB
-12V
Max.(Amps)
19A
14A
37A
2.5A
0.3A
Peak (Amps)
/
/
/
/
/
Min.(Amps)
0A
0A
0A
0A
0A
Range (%)
±3%
±3%
±3%
±5%
±10%
Line Reg.(%)
±1%
±1%
±1%
±1%
±1%
Ripple(mVp-p)
50mA
50mA
120mV
50mA
120mV
combined +3.3, +5V
90W
combined +12V
444W / 37A
Input Voltage
90V ~ 264V
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC(PF>0.90 at full load)
Efficiency
87%~90%(20% to 100% loading)
MTBF
100,000 hours at 25°C, full load
Operating temperature
0°C ~ 40°C
Protection
Over current protection Over power protection Over voltage protection Under voltage protection Short circuit protection No Load Operation
Connectors
1 x 24 / 20-Pin motherboard connector(300mm) 1 x 8 / 4-Pin EPS / ATX 12V connector(400mm) 1 x 8/6-Pin PCIE connector(400mm) 1 x 6-Pin PCIE connector(400mm / 150mm) 3 x SATA connector(300mm / 200mm / 100mm) 2 x 4-Pin Peripheral connector (300mm / 200mm) 1 x 4-Pin Floppy connector(300mm / 200mm / 200mm)
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