COOLER MASTER MWE 550 V2
The Cooler Master MWE 550 V2 SMPS is a reliable 550 W ATX power supply with 80+ White efficiency, quiet 120 mm cooling, essential protections, and solid build quality, ideal for budget gaming and everyday desktop PC builds.
Features
The Cooler Master MWE 550 V2 is a 550-watt ATX power supply unit (PSU) designed to provide dependable and efficient power delivery for mainstream desktop systems, budget gaming PCs, and everyday productivity computers. Part of the MWE V2 series, this PSU emphasizes stability, safety, and value, making it a popular choice for first-time PC builders and upgraders.
Equipped with a 120 mm quiet cooling fan, essential protection features, and fixed (non-modular) cables for simplicity, the MWE 550 V2 combines performance and reliability at an affordable price point.
Key Features
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550 W continuous power output suitable for mid-range systems
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80+ White efficiency rating for lower wasted energy
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Non-modular cable design for budget-friendly simplicity
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120 mm cooling fan for efficient and quiet airflow
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Comprehensive safety protections for stable operation
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ATX form factor compatible with most PC cases
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Durable internal design backed by Cooler Master engineering
These features make the MWE 550 V2 a practical PSU for everyday computing, light gaming, and multimedia PC builds.
Technical Specifications
General Specifications
| Specification | Details |
|---|---|
| Brand | Cooler Master |
| Model | MWE 550 V2 |
| Total Power Output | 550 W |
| PSU Type | ATX Power Supply |
| Efficiency | 80+ White certified |
| Modularity | Non-Modular |
| Cooling Fan | 120 mm |
| Series | MWE V2 |
| Color | Black |
The 80+ White rating indicates that the PSU meets basic efficiency standards, helping reduce wasted power and heat.
Input Specifications
| Specification | Details |
|---|---|
| Input Voltage | 100–240 V AC |
| Frequency | 50–60 Hz |
| PFC Type | Active Power Factor Correction (PFC) |
The wide input range ensures compatibility with electrical systems worldwide.
Performance & Output Specifications
| Specification | Details |
|---|---|
| Total Power | 550 W continuous |
| +12V Rail | Single high-current rail |
| +5V / +3.3V Rails | Standard ATX outputs |
| Power Distribution | Designed for stable delivery to GPU/CPU |
The high-current +12V rail supports modern CPUs and graphics cards within the PSU’s power class.
Cooling System
| Specification | Details |
|---|---|
| Fan Size | 120 mm |
| Fan Type | Quiet, low-noise fan |
| Cooling Method | Active airflow |
| Fan Control | Automatic thermal control |
The 120 mm cooling fan provides efficient airflow while keeping the PSU quiet during operation.
Protection Features
| Protection | Purpose |
|---|---|
| OVP | Over-Voltage Protection |
| UVP | Under-Voltage Protection |
| OCP | Over-Current Protection |
| OPP | Over-Power Protection |
| SCP | Short-Circuit Protection |
| OTP | Over-Temperature Protection |
Cooler Master includes essential safety features to protect both the PSU and connected PC components from electrical issues.
Connector Configuration
| Connector Type | Quantity |
|---|---|
| 24-pin ATX Motherboard | 1 |
| 4+4 Pin EPS (CPU) | 1 |
| PCIe 6+2 Pin | 1 |
| SATA Power | 4 |
| Molex (Peripheral) | 2 |
These connectors support typical PC components including the motherboard, CPU, GPU, and storage devices.
Environmental & Operating Conditions
| Specification | Details |
|---|---|
| Operating Temperature | Standard desktop PSU range |
| Cooling | Active airflow via 120 mm fan |
| Noise | Low noise under typical load |
The PSU is designed to operate reliably under normal desktop conditions.
Physical Specifications
| Specification | Details |
|---|---|
| Dimensions | Standard ATX PSU size |
| Weight | Typical for 550 W class |
| Cable Type | Fixed non-modular cables |
| Color | Black |
The standard form factor allows the power supply to fit in most ATX PC cases.
Advantages
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Trusted brand build quality from Cooler Master.
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Efficient and stable 550 W power output for mid-range PCs.
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Quiet 120 mm cooling fan ensures low noise.
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Full set of safety protections for system reliability.
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Affordable price point with reliable performance.
Conclusion
The Cooler Master MWE 550 V2 SMPS is a solid and affordable 550 W power supply ideal for mainstream desktop computers, entry-to-mid-range gaming systems, and everyday productivity builds. With its 80+ White efficiency, quiet cooling fan, essential protections, and reliable power delivery, it offers a balanced combination of performance and value.
While it does not have modular cables or premium efficiency ratings like 80+ Bronze/Gold units, its simple, effective design and trusted Cooler Master engineering make it a reliable option for users building or upgrading a PC on a budget. Overall, the MWE 550 V2 SMPS is a dependable choice for anyone seeking stable, efficient, and cost-effective power delivery for their system.