The Cooler Master MWE Bronze 550 V3 is a reliable 550W power supply unit designed for desktop PCs. Built to ATX 3.1 standards, this non-modular PSU comes in a sleek black finish and delivers stable power output with a combined 12V rail capacity of 540W. With an 88% efficiency rating and 80 PLUS Bronze certification, it strikes a solid balance between performance and energy consumption. The unit weighs 1450 grams and features compact dimensions of 150 x 86 x 140 mm, making it compatible with most standard PC cases.
Active Cooling and Fan Performance
The MWE Bronze 550 V3 uses an active cooling system powered by a single 120mm fan equipped with HDB (Hydraulic Dynamic Bearing) technology. This bearing type is known for quieter operation and extended fan life compared to conventional sleeve bearings. The PSU operates reliably within a temperature range of 0 to 40 degrees Celsius, supported by Active Power Factor Correction for cleaner and more stable power delivery.
Connectivity and Protection Features
On the connectivity side, this power supply includes a 24-pin ATX motherboard connector, a 4+4 pin EPS connector, 2 PCI Express 6+2 pin connectors, 6 SATA power connectors, and 3 Molex connectors, providing ample options for a complete system build. The unit also incorporates multiple protection features including over power, over voltage, under voltage, and short circuit protection, helping to safeguard connected components during operation. The MTBF rating stands at 100,000 hours.
Product number manufacturer:
MPE-5501-ACABW-3BEU
Certificates
Connectivity
ATX Power connector (24-pin):
Motherboard power connector:
24-pin ATX
PCI Express power connectors (6+2 pin):
2
Cooling
Energy management
Max output current (+12V):
45 A
Max output current (+3.3V):
17 A
Max output current (+5Vsb):
3 A
Max output current (-12V):
0.3 A
Power Factor Correction (PFC) type:
Active
Environmental conditions
Operating temperature range (T-T):
0 - 40 °C
Physical characteristics
Technical details
Mean time between failures (MTBF):
100000 h
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