GameMax GT-300W 300W TFX Power Supply for Small Form Factor PCs, 80 Plus Bronze Efficient PSU with Quiet 80mm Cooling Fan and Active PFC, Ideal Replacement PSU for Slim Desktop Systems

The GameMax GT-300W is a compact 300W TFX power supply designed for small form factor desktops and slim PC builds. It delivers dependable performance with 80 Plus Bronze efficiency for reduced energy consumption and stable power output. The PSU includes active PFC for improved voltage stability and built-in protection features including OPP, OVP, UVP, and SCP. A quiet 80mm temperature-controlled fan ensures efficient cooling with low noise levels, and the honeycomb ventilation design improves airflow. The unit supports ATX12V 2.3 motherboards and includes essential connectors for modern compact PC systems.

General Specifications

• Model: GameMax GT-300W (PSUGMXGT300TFX)
• Form Factor: TFX
• Total Power: 300W
• Efficiency Certification: 80 Plus Bronze
• MTBF: 100,000 hours
• Active PFC: Yes
• Protections: OPP, OVP, UVP, SCP
• Safety Approvals: CE, FCC, CB
• Warranty: 2 Years

AC Input

• Input Voltage: 100–240V
• Input Current: 6–3A
• Frequency: 50–60Hz

DC Output Rails

• +3.3V: 15A
• +5V: 15A
• +12V: 20A
• -12V: 0.5A

+5VSB: 2.5A

Power Timing

Power Good Signal: 100–500ms

Hold-Up Time: 1–40ms

Cooling

• Fan Size: 80mm
• Fan Type: Silent, temperature-controlled
• Noise Level: Under 17 dBA

Connectors

• 1 x 20+4 Pin Motherboard Connector
• 1 x 4+4 Pin CPU Connector
• 3 x SATA Power Connectors
• 1 x Molex 4-Pin Peripheral Connector

Physical Specifications

Dimensions: 85mm x 65mm x 175mm

Weight: Approximately 1.06kg