![Designed for 80 PLUS Gold level of efficiency to reduce wasted heat and save on electricity](https://www.silverstonetek.com/upload/product/da550-g-1.jpg)
Designed for 80 PLUS Gold 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](https://www.silverstonetek.com/upload/product/et500-b-2.jpg)
Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking
![Built-in 120 mm fan has excellent airflow and low noise, perfect for quiet home or office use](https://www.silverstonetek.com/upload/product/et500-b-3.jpg)
Built-in 120 mm fan has excellent airflow and low noise, perfect for quiet home or office use
![Flat cables have much greater flexibility to allow for tighter folding and management of cables](https://www.silverstonetek.com/upload/product/et500-b-4.jpg)
Flat cables have much greater flexibility to allow for tighter folding and management of cables
Advanced protections for safety and security
![](https://www.silverstonetek.com/upload/images/point/public/OCP.png)
Over current protection
![](https://www.silverstonetek.com/upload/images/point/public/OPP.png)
Over power protection
![](https://www.silverstonetek.com/upload/images/point/public/OVP.png)
Over voltage protection
![](https://www.silverstonetek.com/upload/images/point/public/SCP.png)
Short circuit protection
![](https://www.silverstonetek.com/upload/images/point/public/OTP.png)
Over temperature protection
- High efficiency with 80 PLUS Gold certification
- Semi-modular cables facilitate cable management
- 24/7 continuous power output with 40°C operating temperature
- Class-leading single +12V rail
- Silent running 140mm fan with 18 dBA
- PCIe 8pin and PCIe 6pin connectors support
- All-black flat cables design
- Dual EPS 8pin with multiple PCI-E 8 / 6pin connectors support (V1.2)
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Product Specifications
Product No.
SST-ET550-HG
Color
Black(Lead-Free Paint)
Max. DC Output
550W
Power density
267W per liter
Load Range
Output | +3.3V | +5V | +12V | +5VSB | -12V |
---|---|---|---|---|---|
Max.(Amps) | 20A | 20A | 45A | 2.5A | 0.3A |
Peak (Amps) | / | / | / | 3.0A | / |
Min.(Amps) | 0A | 0A | 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
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 power protection
Over voltage protection
Short circuit 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)
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 140mm silent fan
Noise Level
18dBA minimum
Certification
80 PLUS Gold
Form factor
ATX
Dimension
150 mm (W) x 86 mm (H) x 160 mm (D)
Weight
1.93 Kg
Other