GameMax GT-300W 300W TFX Power Supply 80 Plus Bronze SFF PSU

GameMax GT-300W 300W TFX 80 Plus Bronze Power Supply for Small Form Factor PCs

The GameMax GT-300W is a compact and efficient 300W TFX power supply designed for slim desktops and small form factor PC systems. Engineered for reliability, it delivers stable power output with 80 Plus Bronze efficiency, reducing energy waste while maintaining dependable performance for everyday computing.

Equipped with Active PFC, essential voltage protection features, and a silent 80mm temperature-controlled cooling fan, this PSU ensures efficient, safe and quiet operation. Its slim TFX form factor makes it an ideal replacement PSU for compact PCs, office desktops, and OEM systems requiring a space-saving power solution.

Key Features

✓ Compact TFX form factor ideal for small form factor and slim PC builds
✓ 80 Plus Bronze efficiency for reduced energy consumption and improved reliability
✓ Active PFC for enhanced voltage stability and cleaner power delivery
✓ Quiet 80mm temperature-controlled cooling fan
✓ Multiple protection circuits: OPP, OVP, UVP, SCP
✓ Honeycomb ventilation design for improved airflow and heat dissipation
✓ 300W total output suitable for everyday systems and office workstations
✓ 2-year manufacturer warranty for added peace of mind

Specifications

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

• Voltage: 100–240V

• 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: 80mm 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: Approx. 1.06kg