Cooler Master MasterWatt 650 650W 80 Plus Bronze Semi-Modular Power Supply
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Product details
| Management number | 202133560 | Release Date | 2025/09/19 | List Price | $296.00 | Model Number | 202133560 | ||
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The Cooler Master MPX-6501-AMAAB-US is a 650 watt semi modular power supply crafted for PC builders who want reliable power delivery with minimal noise.
With an 80 Plus Bronze certification, the unit reaches up to 85 percent efficiency at typical loads, so less energy turns into heat. A 120 mm fan stays idle until system demand climbs past 15 percent. When it spins, the dustproof LDB bearing keeps the fan smooth and quiet through extended use.
The semi modular layout lets you attach only the cables you need, which simplifies installation and keeps airflow unobstructed. Four PCIe connectors with thicker 16 AWG wires feed modern graphics cards, giving you the headroom for two GPUs or one high draw flagship card.
An internal DC to DC circuit maintains stable voltage on every rail, while built-in safeguards protect against over current, over voltage, over temperature, surges, and short circuits. The supply meets the ATX 12V v2.4 standard and performs reliably in ambient temperatures ranging from zero to forty degrees Celsius.
Whether you are putting together a gaming tower with a small footprint, upgrading a home office workstation, or building a streaming PC that runs for hours at a time, this power supply delivers clean power, organized cabling, and quiet operation that lets your components shine.
Highlights:- 650 W continuous output for gaming rigs and production systems
- Semi modular cabling keeps the build neat and improves airflow
- 80 Plus Bronze efficiency rating delivers up to 85 percent efficiency at typical loads
- Fan remains off under 15 percent load, ensuring silent operation during light tasks
- 120 mm fan that uses a dustproof LDB bearing for durable, low noise cooling
- Four PCIe connectors with 16 AWG wiring support dual graphics cards and power hungry GPUs
- DC to DC circuit design maintains stable voltage across all rails
- Comprehensive protection against over current, over voltage, over temperature, and short circuit events
- Compliant with ATX 12V v2.4 and rated to work in ambient temperatures from 0 to 40 degrees Celsius
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