ET550-G
  • High efficiency with 80 PLUS Gold certification
  • 24/7 continuous power output with 40℃ operating temperature
  • Class-leading single +12V rail
  • Silent running 120mm fan with 18 dBA
  • PCIe 8pin and PCIe 6pin connectors support
  • All-black flat cables design
  • ASUS TUF Gaming Alliance decals & branding (TUF Gaming retail box only)
  • Dual EPS 8pin with multiple PCI-E 8 / 6pin connectors support (V1.2)
VERSION

 

1.Designed for 80 PLUS Gold level of efficiency to reduce wasted heat and save on electricity.   2.Built-in 120mm fan has excellent airflow and low noise, perfect for quiet home or office use.
 
Product Specifications
Product No.
SST-ET550-G
Color
Black(Lead-Free Paint)
Max. DC Output
550W
Power density
305W per liter
Load Range
Output+3.3V+5V+12V+5VSB-12V
Max.(Amps)20A20A45A2.5A0.3A
Peak (Amps)///3.0A/
Min.(Amps)0A0A0A0A0A
Range (%)±5%±5%±5%±5%±10%
Line Reg.(%)±1%±1%±1%±1%±1%
Ripple(mVp-p)50mV50mV120mV50mV120mV
Combined +3.3V & +5V
110W
Combined +12V
540W
Input Voltage
90 ~ 264 Vrms
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC(PF>0.9 at full load)
Efficiency
87% ~ 90% at 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)

8 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 24 / 20-Pin motherboard connector (500mm)

*1 x 8-Pin EPS and 1 x 4-Pin + 4-Pin ATX 12V connector (750mm / 150mm)

2 x 8 / 6-Pin PCIe connector (500mm / 150mm)

8 x SATA connector ("500mm / 150mm / 150mm / 150mm" x 2)

3 x 4-Pin Peripheral connector (500mm / 150mm / 150mm)

1 x 4-Pin Floppy connector (500mm / 150mm / 150mm / 150mm)
Cooling System
Single 120mm silent fan
Noise Level
18dBA minimum
Certification
80 PLUS Gold
Form factor
ATX
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
Weight
1.54 Kg
Other
GPU Support list
Compatible with ATX12V v2.4
*Dual (CPU) EPS connectors is used in production batch with serial numbers starting 2025 or after.
● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.
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V1.0
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588.81 KB
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V1.0
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422.66 KB
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V1.0
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21.56 MB
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