GameMax 300W TFX Power Supply - GT-300
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eBayGamemax Gt-300W 300W Tfx Power Supply for Small form Factor Pcs 80 Plus Bronze E
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Gamemax Gt-300W 300W Tfx Power Supply for Small form Factor Pcs 80 Plus Bronze EFree delivery in 1–3 days£43.45Visit shop →
GameMax GT-300W 300W TFX Power Supply for Small Form Factor PCs, 80 Plus BronzeFree delivery in 1–3 days£45.99Visit shop →
GameMax GT-300W 300W TFX Power Supply 80 Plus Bronze Small Form FactorFree delivery in 1–3 days£46.96Visit shop →
Product Information
Full details
The GameMax GT-300W TFX power supply is an ideal choice for users building or upgrading compact desktop systems who prioritize reliable power delivery within a small form factor. Featuring 80 PLUS Bronze certification and active PFC, it delivers up to 85% efficiency, though its 300W capacity limits its use to standard office or light-duty home PCs rather than high-end gaming rigs with power-hungry graphics cards.
All features
| Model Part Number | GT-300 |
|---|---|
| Brand | GAMEMAX |
Extended Product Information
FAQs
Is this compatible with a standard ATX case?
No, this is a TFX power supply and is physically smaller than standard ATX units. It will not fit in a standard ATX power supply mount without an adapter.
Can I use this for a gaming PC?
This unit is suitable for entry-level builds but is not recommended for gaming PCs requiring high-wattage graphics cards due to its 300W limitation.
What does 80 PLUS Bronze mean?
It signifies that the power supply is certified to be at least 85% efficient at typical loads, meaning it wastes less energy as heat.
Does it have active PFC?
Yes, it features active Power Factor Correction to improve efficiency and system stability.
What safety protections are included?
The unit includes OPP (Over Power Protection), OVP (Over Voltage Protection), UVP (Under Voltage Protection), and SCP (Short Circuit Protection).
How long should the fan last?
With proper ventilation and periodic cleaning, the cooling fan is designed to last for the duration of the power supply's expected operational lifespan.
Troubleshooting
System fails to power on
Verify that the power cable is securely connected to both the wall outlet and the power supply, and check that the motherboard 24-pin and CPU 4+4 pin connectors are fully seated.
Fan is making loud noise
Ensure no cables are obstructing the 8cm fan blades and use compressed air to remove accumulated dust from the fan housing.
System shuts down under load
Check if total system power consumption exceeds 300W; if it does, the OPP (Over Power Protection) will trigger to prevent damage.
Pros and Cons
Pros
- High efficiency with 80 PLUS Bronze rating
- Space-saving TFX form factor design
- Quiet operation via intelligent fan control
- Integrated comprehensive safety electrical protections
- Reliable cooling via honeycomb ventilation
Cons
- 300W output is insufficient for high-performance dedicated GPUs
- Limited to TFX-specific chassis designs
- Non-modular cabling may create clutter in very tight spaces
Setup, Compatibility & Care
Installation of the GT-300 requires a chassis that explicitly supports the TFX form factor. Before installing, ensure your case's power supply mount aligns with the screw holes on this unit. Always ensure the system is unplugged from the wall before installation.
To maintain longevity, avoid blocking the rear honeycomb ventilation area; provide at least 2 inches of clearance behind the PC for heat dissipation. As this unit uses an active cooling fan, avoid installing the power supply in excessively dusty environments, and use compressed air to gently clear the fan blades every six months to prevent dust buildup.