SilverStone
Silverstone VA550-B 550W 80 Plus Bronze ATX PSU
Silverstone VA550-B 550W 80 Plus Bronze ATX PSU
Regular price
$79.00
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$79.00
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VIVA 550 Bronze
80 PLUS Bronze 550W ATX power supply
- 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 minimum
- PCIe 8 pin and PCIe 6 pin connectors support
- All black flat cables
- Multiple protection circuitry
- Active PFC
Designed for 80 PLUS Bronze level of efficiency to reduce wasted heat and save on electricity
Built-in 120 mm fan has excellent airflow and low noise, perfect for quiet home or office use
Powerful single +12V rail design, perfect for future high-end component upgrades or overclocking
Flat cables have much greater flexibility to allow for tighter folding and management of cables
Dual CPU power connector design
Advanced protections for safety and security
- Over power protection
- Over voltage protection
- Short circuit protection
Model (safety certification)
SST-ET550
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) | 20A | 20A | 45A | 3.0A | 0.3A |
| Peak (Amps) | / | / | / | / | / |
| Min.(Amps) | 2.0A | 2.0A | 7.56A | 0.41A | 0.05A |
| 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
100 ~ 264 Vrms
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC（PF>0.9 at full load）
Efficiency
82% ~ 85% (at 20% ~ 100% loading)
MTBF
100,000 hours
Operating temperature
0°C ~ 40°C
Protection
Over power protection
Over voltage protection
Short circuit protection
Over voltage protection
Short circuit protection
Connectors
1 x 24 / 20-Pin motherboard connector (500mm)
2 x 4-Pin + 4-Pin ATX 12V connector (650mm / 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)
2 x 4-Pin + 4-Pin ATX 12V connector (650mm / 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)
Cooling System
Single 120mm silent fan
Noise Level
18dBA minimum
Certification
80 PLUS Bronze
Form factor
ATX (PS2)
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
Weight
1.49 Kg
Compatible with ATX12V v2.4
