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SilverStone 550W Essential 80+ Bronze Power Supply (ET550-B V1.2)SPECIFICATIONS:
Model No.
SST-ET550-B
Max. DC Output
550W
Power density
305W per liter
Load Range
+3.3V
+5V
+12V
+5VSB
-12V
Max.(Amps)
18A
16A
42A
2.5A
0.3A
Peak (Amps)
/
3.0A
Min.(Amps)
0.5A
1.0A
0A
Range (%)
±5%
±10%
Line Reg.(%)
±1%
Ripple(mVp-p)
50mV
120mV
Color
Black（Lead-Free Paint）
Combined +3.3V & +5V
110W
Combined +12V
504W
Input Voltage
100 ~ 254 Vrms
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC（PF>0.9 at full load）
Efficiency
82% ~ 85% @ 20% ~ 100% loading
MTBF
100,000 hours
Operating temperature
0°C ~ 40°C
Protection
Over current protection
Over power protection
Over voltage protection
Short circuit protection
Over temperature protection
Connectors
V1.1
1 x 24 / 20-Pin motherboard connector（500mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（750mm）
2 x 8 / 6-Pin PCIE connector（500mm / 150mm）
6 x SATA connector（"500mm / 150mm / 150mm" x 2）
3 x 4-Pin Peripheral connector（500mm / 150mm / 150mm）
1 x 4-Pin Floppy connector（500mm / 150mm / 150mm / 150mm）
V1.2
*1 x 8-Pin EPS and 1 x 4-Pin + 4-Pin ATX 12V connector (750mm / 150mm)
Cooling System
Single 120mm silent fan
Form factor
ATX
Noise Level
18dBA minimum
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
5.91" (W) x 3.39" (H) x 5.51" (D)
Weight
1.49 Kg
Certification
80 PLUS Bronze
