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
SPECIFICATIONS
| Product No. |
SST-VA550-B
|
| Max. DC Output |
550W
|
| Power density |
305W per liter
|
| Load Range |
|
|
+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 |
|
| Model (on safety) |
SST-ET550
|
| Color |
Black（Lead-Free Paint）
|
| 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
|
| 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)
|
| Cooling System |
Single 120mm silent fan
|
| Form factor |
|
| 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
|
| Other |
|
