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G550M

The GM Series is semi-modular to reduce the number of unnecessary cables for better cable management. The single +12V rail on all GM Series power supplies allows for superior load balancing and GPU compatibility.

V 650

V Series power supplies are fully modular with compact and quiet engineering. Maintain whisper-quiet operation through the addition of the high performance Silencio FP fan and 100% Japanese capacitors for a power package that lets you build with total confidence.

MWE Gold 650 - US

The MWE Gold offers a highly efficient, affordable power solution. Enjoy reliable 90% efficiency with an 80 PLUS gold certification. Cooler Master's design techniques ensure improved efficiency while maintaining low temperatures and quiet operation. Heat resistant components maintain gold level performance even at increased temperatures up to 45°C. A near quiet Silencio fan with an exclusive LDB bearing reduces noise and lasts longer than standard bearings. Flat and flexible cables improve airflow by reducing cable bulk. Enjoy gold rated power at an affordable price. Be bold, power with gold.
$89.99

MasterWatt 650 (US)

The MasterWatt is an 80 Plus Bronze power supply with an innovative semi-fanless mode.


Under 15% load,the MasterWatt fan remains idle, offering zero dBA.


When demand for power increases, a gradual fan curve provides measured cooling with little to no noise at any output level. Dual forward / DC-to-DC topology is employed to keep the voltage stable in all conditions.


For increased performance, MasterWatt is equipped with 16 AWG power cables, which reduces resistance, thereby increasing efficiency.

$69.99 $64.99