Cooler Master MasterWatt 650 650W 80 Plus Bronze Semi-Modular Power Supply

If you're building a PC that needs steady power without a ton of noise, this 650W semi-modular power supply from Cooler Master is a solid choice. It gives you enough power to run a dual graphics card setup, and it stays quiet thanks to a smart fan that only kicks in when the load goes above 15%. The 80 Plus Bronze certification means it runs efficiently, averaging 85% even at full load. It’s built with thicker 16 AWG PCIe cables to support the latest GPUs and uses a design that keeps voltage stable across the board. Plus, with built-in protection against overheating, power surges, and short circuits, you get peace of mind while gaming or working.

Highlights

• 650W total output for high-performance systems
• Semi-modular design for easier cable management
• 80 Plus Bronze certified with up to 85% efficiency
• Fan stays off under 15% load for silent operation
• 120mm fan with dustproof LDB bearing
• Dual graphics card support with 4 PCIe connectors
• Stable voltage from DC-to-DC circuit design
• Thicker 16 AWG PCIe cables for better power delivery
• Built-in protection for over-current, voltage, temperature, and short circuits
• Supports ATX 12V v2.4 standard
• Operates within 0 to 40°C temperature range