Description
The Cooler Master MWE 450W New V2 represents a significant step up for entry-level power delivery, focusing on reliability without unnecessary complexity. This ATX 12V V2.52 unit delivers 80 PLUS Bronze efficiency, ensuring a typical efficiency of 85% under normal loads. By utilizing a DC-to-DC circuit design with LLC bridge topology, the MWE Bronze V2 provides stable voltage outputs, making it a safe foundation for modern PC components.
This product is for:
This power supply is engineered for specific user profiles:
- Budget-conscious gamers building systems with entry-level GPUs like the GTX 1650 or RX 6400.
- Office professionals requiring a stable, long-lasting workstation for daily productivity tasks.
- Home theater PC (HTPC) enthusiasts who prioritize quiet operation and a compact 140mm chassis.
- System integrators looking for a high MTBF (100,000 hours) component to reduce maintenance cycles.
- Students assembling their first PC who need a clear upgrade path and a 5-year warranty for peace of mind.
Detailed specifications:
Technical Specifications:
- Model: MPE-4501-ACAAW
- Efficiency: 80 PLUS Bronze (85% Typical Load)
- Form Factor: ATX 12V V2.52
- Cooling: 120mm Hydro Dynamic Bearing (HDB) Fan
- Fan Speed: 1500 RPM
- Noise Levels: 11.18 dBA (20% load), 17.1 dBA (50% load), 29.5 dBA (100% load)
- Dimensions: 140 x 150 x 86 mm
- Protections: OVP, OPP, SCP, UVP, OTP
- Connectors: 1x MB 24-Pin, 1x EPS 4+4 Pin, 6x SATA, 3x Peripheral 4-Pin, 2x PCI-E 6+2 Pin
In real-world usage, the MWE 450W New V2 stands out for its thermal management. While many entry-level units struggle at higher temperatures, this model is rated for safe operation at up to 40°C ambient temperature. The 120mm HDB fan utilizes a friction-based bearing that stays remarkably quiet during low-to-medium loads, only reaching audible levels when the system is pushed to its absolute limit. The non-modular cables are flexible enough for standard cable management in mid-tower and mini-tower cases.
Compared to standard 80 PLUS White units or the previous MWE V1 generation, the New V2 offers superior voltage regulation. The transition to a DC-to-DC + LLC layout is a critical upgrade, as it prevents cross-loading issues common in older group-regulated power supplies. While it lacks the modularity of the MWE Gold series, it provides the same essential safety protections (OVP, SCP, etc.) at a much more accessible price point for 450W requirements.
Q&A:
Frequently Asked Questions:
- Is 450W enough for a gaming PC? Yes, for entry-level builds using integrated graphics or lower-power dedicated GPUs like the RTX 3050 or RX 6500 XT.
- What does 80 PLUS Bronze certification mean? It guarantees that the unit is at least 85% efficient at 50% load, reducing wasted electricity and heat.
- How loud is the fan during normal use? At 50% load, the fan operates at approximately 17.1 dBA, which is quieter than a standard household whisper.
- Does this PSU support modern motherboards? Yes, it features a standard 24-pin MB and a 4+4 pin EPS connector compatible with most current ATX and Micro-ATX boards.
- What is the warranty period for this model? Cooler Master provides a 5-year limited warranty, covering parts and labor for long-term reliability.