Description
PSATX550
- PC power supply unit with fan
- Specification compliance: ATX 12V V2.3
- 120mm fan great for silent cooling
- Max. 550w Power for Intel and AMD computer system

PC ATX Power Supply 550W
PC ATX Power Supply 550W Features
• 120mm fan great for silent and cooling
• Specification: ATX 12V V2.3
• Max. 550W Power for Intel and AMD Computer system
• 20+4 pin Main Power connector
• 4 of 4 Pin IDE Power Adaptor
• 2 of SATA Power Adaptor, via Separate cable
• 4 Pin Mainboard Power Adaptor included
Technical Data
Input Voltage Range: | 180Vac to 265Vac, Single phase |
Input Frequency Range: | 50+/-3Hz – 60+/-3Hz |
Input current: | 220VAC/4A Max |
Power Efficiency: | 68% min.at full load and normal AC input |
Over Voltage Protection: | +5V:6.5V max; +12V: 15.6V max; +3.3V 4.3V max |
Power-on time: | T1 < 500 ms |
Rise time: | 0.1 ms ≤ T2 ≤ 20 ms |
PG delay: | 100ms < T3 < 500ms |
PG rise time: | T4 < 10ms |
PG hold-up time: | T5 > 16ms |
Output Voltage |
Load | Regulation | Ripple & Noise | |
Min. | Max. | Max mV P-P | ||
+5V | 0.2A | 20A | +/-5% | 50mV |
+12V | 0.6A | 30A | +/-5% | 120mV |
+5VSb | 0.0A | 2.5A | +/-5% | 50mV |
+3.3V | 0.1A | 25A | +/-5% | 50mV |
+12V | 0A | 0.5A | +/-5% | 120mV |