How efficient is this power supply under typical gaming loads, and does it maintain a quiet operation?

The power supply has an 80 Plus Gold certification, which indicates a minimum efficiency of 90% at 50% load. Additionally, it features a high-flow, low-noise 135mm diameter fan that efficiently cools the unit, solving potential thermal and noise problems for quiet operation.

Questions & Answers: PowerSpec 650 Watt 80 Plus Gold Semi Modular ATX Power Supply Active PFC SLI Crossfire Ready Gaming PC PSU Computer Switching Power Supply, PS 650GSM

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PowerSpec 650 Watt 80 Plus Gold Semi Modular ATX Power Supply Active PFC SLI Crossfire Ready Gaming PC PSU Computer Switching Power Supply, PS 650GSM

STABILITY: This PSU features 650 Watts of output power, active PFC design with single +12V output rail providing strong and stable power to computers. It complies with Intel ATX 12V standards. The sufficient and stable current fully supports SLI & CrossFire Systems
UL & 80+ GOLD CERTIFIED: The PowerSpec semi-modular power supply has an 80 Plus Gold and UL certification. 80+ Gold boasts an 90% minimum efficiency at 50% load. This PSU is also certified by a nationally recognized Underwriter Laboratory for various safety and sustainability tests
QUIET & COOL: The high-flow, low-noise 135mm diameter fan efficiently cools. This solves potential thermal and noise problems for your computer power supply. Our high-performance power supply produces less heat, resulting in lower energy consumption and operating cost
MAXIMUM SAFETY: Universal AC 115-230V /10Ainput with 50-60Hz frequency for wide-ranging use, protect your components and data from unexpected unstable voltage damage. Heavy-duty

$279^.99 –