Power cuts and noisy fans can ruin a build, but a reliable power supply keeps everything running smooth and quiet. The Cooler Master MWE 550 Bronze V2, 550W, 200 - 240V, 50 - 60 Hz, 5A, Power Supply delivers stable 550W to your PC, protecting components while staying efficient and low-noise.
Why Choose a Cooler Master Power Supply
Many buyers worry about choosing a PSU that is either under-powered or overly expensive. They often fear low efficiency leading to higher electricity bills or insufficient protection for their hardware. This unit removes those doubts with an 80 PLUS Bronze rating, active PFC and a single +12 V rail that ensures consistent power delivery. Its temperature-sensitive 120 mm HDB fan adapts speed to keep noise down, while the flat black cables simplify cable management in tight cases.
Key Features of a 550W Power Supply
- Efficiency: 88 %. High efficiency means less wasted power and lower electricity costs.
- Fan: 120 mm HDB. The fan adjusts speed based on temperature, providing quiet cooling.
- Rail: Single +12 V rail. Guarantees uniform power to all components for stable performance.
- Protection: Over power, Over voltage, Short circuit, Under voltage. Safeguards your system against electrical faults.
- MTBF: 100 000 h. Indicates a long lifespan and reliable operation over many years.
- Dimensions: 86 mm × 140 mm × 150 mm. Fits standard ATX cases without crowding.
- Weight: 1.27 kg. Light enough for easy handling yet solidly built.
- Connectors: 2 × 6+2 pin PCIe, 1 × 4+4 pin EPS, 3 × 4-pin Molex, 6 × SATA, 24-pin ATX. Offers ample connections for modern builds.
Usages of a 550W Power Supply
Ideal for mid-range gaming rigs, home office PCs and small workstations, this unit provides enough headroom for a single high-end graphics card, multiple drives and typical peripherals without the need for extra modular cables.
Benefits of Cooler Master Power Supply
- Quiet operation: Temperature-controlled fan keeps noise low during heavy loads.
- Energy savings: 88 % efficiency reduces power waste and lowers bills.
- Reliable protection: Built-in safeguards guard against common electrical issues.
- Easy installation: Flat black cables simplify routing and improve airflow.
- Long-term durability: High MTBF and solid construction ensure years of dependable use.
Specifications
| Power |
| Power protection features |
Over power, Over voltage, Short circuit, Under voltage |
| Efficiency |
88% |
| Hold time |
14 ms |
| Power Good signal delay range |
100 - 500 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+12V) |
45 A |
| Max output current (+3.3V) |
17 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
110 W |
| Combined power (+12V) |
540 W |
| Combined power (+3.3V) |
110 W |
| Power Factor Correction (PFC) type |
Active |
| Input current |
5 A |
| AC input frequency |
50 - 60 Hz |
| AC input voltage |
200 - 240 V |
| Total power |
550 W |
| Ports & interfaces |
| Cabling type |
Non-Modular |
| ATX Power connector (24-pin) |
Yes |
| PCI Express power connectors (6+2 pin) |
2 |
| EPS power connector (4+4 pin) |
Yes |
| Peripheral (Molex) power connectors (4-pin) |
3 |
| Number of SATA power connectors |
6 |
| Motherboard power connector |
24-pin ATX |
| Performance |
| Mean time between failures (MTBF) |
100000 h |
| Bearing technology |
HDB |
| ATX version |
2.52 |
| 80 PLUS certification |
80 PLUS Silver |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Certificates |
| Certification |
CCC, CE, TUV-RH, RCM, EAC, cTUVus, FCC, BSMI, KC, CB |
| Weight & dimensions |
| Weight |
1.27 kg |
| Height |
86 mm |
| Depth |
140 mm |
| Width |
150 mm |
| Other features |
| Noise level (full-load mode, 100%) |
31.2 dB |
| Noise level (quiet mode, 50%) |
18.4 dB |
