COUGAR Power Supply STC 500W ATX / 80 Plus 230V EU

The COUGAR Gaming STC500 is a 500 W power supply unit designed for desktop PCs and small servers. It provides stable power delivery with 80 PLUS efficiency certification for 220–240 V EU mains and includes standard connectors such as a 20+4 pin ATX motherboard plug and peripheral Molex cable. A 120 mm active cooling fan keeps the unit within operating temperatures while maintaining low acoustic output.

Advantages

The STC500 offers reliable power output up to 500 W with 80 PLUS efficiency, a full set of standard connectors for common PC builds, and a 120 mm fan for active cooling that balances performance and noise. Its black enclosure and EU‑standard voltage compatibility make it suitable for typical home and office installations.

Suitable for

• Entry-level and mid-range desktop PCs
• Home servers and small workstation builds
• System upgrades requiring a standard ATX power connector

Key specifications

• Total power: 500 W
• Motherboard power connector: 20+4 pin ATX (cable length 45 cm)
• Peripheral connector: Molex (cable length 450 mm)
• 80 PLUS certification
• Fan diameter: 120 mm (active cooling)
• AC input voltage: 220–240 V, 50 Hz
• Colour: Black

How to use

Install the STC500 into a compatible ATX case following standard PSU mounting procedures. Connect the 20+4 pin ATX cable to the motherboard, attach peripheral devices with the Molex connectors as needed, and ensure the mains cable matches the local 220–240 V supply. Verify all connections are secure before powering on the system.

Recommendations

Use this power supply in systems whose combined component power draw stays below 500 W, allow adequate case ventilation for the 120 mm fan, and perform periodic dust cleaning to maintain cooling efficiency and low noise levels.