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Silverstone TFX power supply unit, compact rectangular shape, matte black finish with 80mm fan grille visible

Silverstone Technology

Silverstone Technology 500W TFX Power Supply 80 Plus Gold 18 dBA

SKU CH-G7EM-H7211

A 500W TFX power supply with 80 PLUS Gold efficiency and an 80mm fan running as low as 18 dBA

  • Chassis styleDesktop
  • 500 W continuous output at 50 °C for 24/7 reliability
  • 80 PLUS Gold efficiency cuts wasted heat and electricity use
  • 18 dBA minimum fan noise keeps home and office builds quiet
  • Single +12 V rail delivers stable power for high-end upgrades
  • Multiple protection circuits guard components against electrical faults

TFX 500W power supply for compact builds

This 500W TFX unit fits small-form-factor chassis and delivers continuous rated output at 50°C for 24/7 operation. It is aimed at system integrators and home-office users who need reliable power in a space-saving footprint without exceeding the 12V rail capacity.

80 PLUS Gold efficiency

Gold-rated efficiency reduces wasted heat and lowers electricity draw during typical workloads. The single PCIe 6+2-pin connector supports one discrete graphics card, so configurations requiring two or more supplementary power cables cannot be accommodated.

18 dBA minimum fan noise and fixed-cable layout

The 80mm fan operates at a minimum of 18 dBA, suitable for quiet environments but audible under load in silent rooms. Fixed cables cannot be removed, limiting cable routing options in tight enclosures and preventing custom sleeved replacements.

How it compares

Measured against everything we stock in Rackmount Server Cases, at today’s prices. Recalculated every night.

Price $189.99
Cheaper than about 61% of the 1,006 comparable items (median $222.49).

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Specifications

Size & build
Chassis styleDesktop

Questions about this item

How often does the fan need cleaning or replacement?

The 80 mm fan is rated for 24/7 operation at 50 °C and runs at 18 dBA minimum, so it is built for continuous long-term use.

What limits output first during sustained loads?

The unit delivers 500 W continuous at 50 °C, so the thermal rating is the boundary that appears before any other limit.

How much heat and noise does it produce running all day?

80 PLUS Gold efficiency reduces waste heat, and the fan stays at 18 dBA minimum while the supply runs at its 500 W rating around the clock.

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