Open 7 days 53 Tunnel Hill, Worcester WR4 9SD No fix, no fee · No call-out charge · Free UK delivery over £500 01905 673738

GAMEMAX

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

NewBrand new, not previously used.

Product code: PSUGMXGT300TFX

£41.28Only 3 left
  • Wattage: 300W
  • Size/Version: TFX
  • Modular: No
  • SATA Connections: 3
  • Certification: Bronze
  • Colour: Black

In stock

  • Questions? Call 01905 673738 – you'll talk to the person who builds them
  • Collect from our Worcester shop, open 7 days
  • Free UK delivery on orders over £500 – add £458.72 more to qualify
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Specifications & details
Weight 1.1 kg

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

Warranty

New items carry the manufacturer's warranty where applicable.

Components returned for warranty must be in original condition and packaging where reasonable.

Warranty remedies are repair, replacement or refund. It does not cover accidental or liquid damage, power surges, or faults caused by software the customer installed. Full details are in our Terms & conditions (sections 5 and 9).

Collection & delivery

Collection and delivery

  • Collect from our shop: 53 Tunnel Hill, Worcester WR4 9SD, open seven days a week.
  • Delivery: please call us on 01905 673738 to arrange it. Delivery times are estimates.
  • Payment is made in full by the methods we accept before collection or delivery.
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