Silverstone ET550 550W ATX Power Supply
80Plus Bronze - Silent running - 120mm fan with 18 dBA
Silverstone ET550 550W ATX Power Supply
80Plus Bronze - Silent running - 120mm fan with 18 dBA
- Brand: Silverstone
- MPN: SST-ET550-B V1.2
- Part #: PSUSVT15551
- UPC: 844761020774
- Brand: Silverstone
- MPN: SST-ET550-B V1.2
- Part #: PSUSVT15551
- UPC: 844761020774
What PB Tech customers are saying about this product...
See More Reviews"Well priced PSU with clean cable layout and quiet operation. Powered a Ryzen 5 3600 + RX 580 HTPC without issue. No coil whine, no drama — just reliable performance. Would happil ...view more"
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Silverstone ET550 550W ATX Power Supply 80Plus Bronze - Silent running - 120mm fan with 18 dBA
- Brand: Silverstone
- MPN: SST-ET550-B V1.2
- Part #: PSUSVT15551
- UPC:844761020774
Product URL: https://www.pbtech.co.nz/product/PSUSVT15551/imgad/aib/CommonX_20251104143620.png
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Features
ET550-B
- High efficiency with 80 PLUS Bronze certification
- 24/7 continuous power output with 40? operating temperature
- Class-leading single +12V rail
- Silent running 120mm fan with 18 dBA
- PCI-E 8pin and PCI-E 6pin connectors support
- All-black flat cables design
- Dual EPS 8pin with multiple PCI-E 8 / 6pin connectors support (V1.2)
Designed for 80 PLUS Bronze level of efficiency to reduce wasted heat and save on electricity

Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking

Built-in 120mm fan has excellent airflow and low noise, perfect for quiet home or office use

Flat cables have a much greater flexibility allowing tighter folding and management of cables

Advanced protections for safety and security
- Over current protection
- Over power protection
- Over voltage protection
- Short circuit protection
- Over temperature protection
Specifications
Product No.
SST-ET550-B
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) 18A 16A 42A 2.5A 0.3A
Peak (Amps) / / / 3.0A /
Min.(Amps) 0.3A 0.5A 1.0A 0A 0A
Range (%) ±5% ±5% ±5% ±5% ±10%
Line Reg.(%) ±1% ±1% ±1% ±1% ±1%
Ripple(mVp-p) 50mV 50mV 120mV 50mV 120mV
Combined +3.3V & +5V
110W
Combined +12V
504W
Input Voltage
90 ~ 264 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
V1.2
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)
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)
Cooling System
Single 120mm silent fan
Noise Level
18dBA minimum
Certification
80 PLUS Bronze
Form factor
ATX
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
Weight
1.49 Kg

