Cooler Master MWE 1250 V2 ATX 3.0 Power Supply Review: A 1250W Powerhouse

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Cooler Master MWE 1250 V2 ATX 3.0 Power Supply Review

The Cooler Master MWE 1250 V2 is a high-performance power supply designed to meet the demands of modern gaming PCs and demanding workloads. With 1250W of continuous power and full modularity, it offers exceptional flexibility and efficiency. In this comprehensive review, we’ll delve into its features, performance, and overall value.

Key Features

The Cooler Master MWE 1250 V2 is packed with features, including:

* **ATX 3.0 Compliance**: The MWE 1250 V2 adheres to the latest ATX 3.0 standard, ensuring compatibility with next-generation GPUs and motherboards.
* **1250W of Power**: It delivers a massive 1250W of continuous power, capable of handling even the most demanding components, including high-end graphics cards and multiple storage devices.
* **Full Modularity**: The modular design allows you to connect only the cables you need, making cable management a breeze and improving airflow within your PC.
* **80 Plus Gold Efficiency**: With an 80 Plus Gold rating, this power supply boasts high efficiency levels, minimizing energy waste and lowering your electricity bill.
* **Active PFC**: The active power factor correction (PFC) circuitry ensures stable and clean power delivery, enhancing system stability.
* **Japanese Capacitors**: Utilizing high-quality Japanese capacitors contributes to the power supply’s reliability and longevity.
* **140mm FDB Silent Fan**: The large, fluid dynamic bearing (FDB) fan ensures silent operation even under heavy loads, minimizing noise levels in your PC.

Performance and Efficiency

During our testing, the Cooler Master MWE 1250 V2 consistently impressed with its performance and efficiency. The power supply remained stable and silent under even the most demanding workloads, including overclocked CPUs and high-end graphics cards. The 80 Plus Gold certification translates into significant energy savings, which is a welcome bonus in the long run.

Pros & Cons

Here’s a breakdown of the MWE 1250 V2’s strengths and areas for improvement:

**Pros:**

* **Powerful and efficient:** The 1250W output and 80 Plus Gold rating ensure ample power and energy efficiency.
* **Quiet operation:** The 140mm FDB fan maintains near-silent operation even under heavy loads.
* **Full modularity:** Makes cable management simple and improves airflow.
* **High-quality components:** Japanese capacitors and active PFC contribute to reliability and performance.
* **ATX 3.0 compliance:** Futureproof for next-generation components.

**Cons:**

* **Price:** The MWE 1250 V2 is a premium power supply, and its price reflects its high-end features.
* **Length:** The power supply is slightly longer than some standard ATX units, which might require careful planning in compact PC builds.

Final Verdict

The Cooler Master MWE 1250 V2 is a top-tier power supply that excels in performance, efficiency, and quiet operation. If you’re building a high-end PC and prioritize power, reliability, and quietness, the MWE 1250 V2 is an excellent choice. It’s a bit on the expensive side, but the peace of mind it provides and the future-proof features are worth the investment.

Specification Value
ATX Version ATX Rev. 3.0
PFC Active PFC
Input Voltage 100-240V
Input Current 15-7A
Input Frequency 50-60Hz
Dimensions (L x W x H) 180 x 150 x 86 mm
Fan Size 140mm
Fan Bearing FDB
Efficiency ≥90% @ Typical Load
80 PLUS Rating 80 PLUS Gold
ErP 2014 Lot 3 Yes
Operating Temperature 0-50°C
Power Good Signal 100 – 150 ms
Hold Up Time ≥16ms at 100% Load
MTBF >100,000 Hours
Protections OVP, OPP, SCP, OCP, UVP, OTP, Inrush Protection
Regulatory TUV, cTUVus, CE, FCC, BSMI, CCC, EAC, RCM, UKCA, BIS
ATX 24 Pin Connectors 1
EPS 4+4 Pin Connectors 1
EPS 8 Pin Connector 1
SATA Connectors 12
Peripheral 4 Pin Connectors 4
PCI-e 6+2 Pin Connectors 3
12VHPWR Connector 1
Series MWE Gold Series
80 Plus Gold
Modular Full Modular
Wattage 1250W