Power Supply Unit ATX IBOX CUBE II 400 W — 20+4 pin, 120 mm fan, silver

ATX 2.2 400W power supply designed for desktop systems that require a standard ATX connector. The unit provides stable 400W output and includes a detachable 20+4 pin power connector compatible with both 20-pin and 24-pin motherboard headers.

Advantages

The power supply includes multiple protection mechanisms — under-voltage (UVP), over-voltage (OVP), short-circuit (SCP), overload (OPP), over-current (OCP) and thermal protection (OTP). An automatic fan control (AFC) adjusts fan speed according to temperature and load, helping to reduce noise and improve cooling efficiency.

Key specifications

• Form factor: ATX 2.2
• Rated power: 400W
• Motherboard connector: detachable 20 + 4 pin (supports 20‑pin and 24‑pin)
• Protection features: UVP, OVP, SCP, OPP, OCP, OTP
• Fan control: AFC (automatic fan speed control)

How to use

Before installation, disconnect mains power and ensure compatibility with your case and motherboard. Attach the detachable 20+4 pin connector to the motherboard main power header (use as 20‑pin or 24‑pin depending on the board). Connect other required peripheral cables to components, secure the PSU in the case, and restore mains power. Verify system boots and monitor voltages on first power-up.

Recommendations

Use this ATX 2.2 400W power supply in systems with moderate power requirements. Ensure ventilation in the PC case and avoid overloading the unit beyond its rated 400W. Regularly check connections and keep dust away from the fan and vents.