- High efficiency with 80 PLUS certification
- Robust reliability and protection design
- 24/7 continuous power output with 40℃ operating temperature
- Class-leading single +12V rail
- Sleek and flexible black flat cable design
- Silent running 120mm fan with 18dBA
Product Specifications
Product No.
SST-ST550-EF
Model (safety certification)
SST-AX0550FCWH-A
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 | 18A | 41A | 2.5A | 0.4A |
| Peak (Amps) | / | / | / | / | / |
| Min.(Amps) | 0.1A | 1A | 2A | 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
100W
Combined +12V
550W
Input Voltage
180 ~ 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 Voltage Protection
Under Voltage Protection
Over Power Protection
Short Circuit Protection
Under Voltage Protection
Over Power Protection
Short Circuit Protection
Connectors
1 x 24 / 20-Pin motherboard connector
1 x 8 / 4-Pin EPS / ATX 12V connectors
2 x 8 / 6-Pin PCIe connectors
6 x SATA connectors
2 x 4-Pin Peripheral connectors
1 x 8 / 4-Pin EPS / ATX 12V connectors
2 x 8 / 6-Pin PCIe connectors
6 x SATA connectors
2 x 4-Pin Peripheral connectors
Cooling System
Silent 120mm fan
Noise Level
18 dBA minimum
Certification
80 PLUS
Form factor
ATX (PS2)
Dimension
150mm (W) × 86mm (H) × 140mm (D)
5.91" (W) x 3.39" (H) x 5.5" (D)
5.91" (W) x 3.39" (H) x 5.5" (D)
Weight
1.38 kg
