Power supply unit SBOX PSU-300 ATX 300W output, model PSU-300/R

SBOX PSU-300 is an ATX power supply unit with 300 W output designed for standard desktop systems. The compact black housing accommodates a 120×120 mm cooling fan and provides common connectors including a 24-pin ATX main cable, a 4+4-pin CPU connector, a 6+2-pin PCI-E connector, three SATA power connectors and one Molex connector.

Advantages

The PSU offers a full set of basic connectors suitable for entry-level or office PC builds, a moderate 300 W power rating and an integrated 120 mm fan for active cooling. Its ATX form factor ensures compatibility with most standard PC cases and the black finish matches common system aesthetics.

Key specifications

• Form factor: ATX
• Power: 300 W
• 24-pin ATX: 1
• 8-pin (4+4) CPU: 1
• PCI-E (6+2 pin): 1
• SATA power connectors: 3
• Molex power connector: 1
• Cooling: 120×120 mm fan
• Dimensions (depth): 140 mm
• Color: Black

How to use

Install the SBOX PSU-300 into a compatible ATX case, secure it with mounting screws and connect the 24-pin ATX cable to the motherboard. Attach the 4+4 CPU connector to the CPU power header, use the PCI‑E 6+2 pin connector for a discrete graphics card if required, and connect SATA and Molex cables to storage drives and peripherals. Ensure correct mains voltage and adequate case airflow before powering on.

Recommendations

Use this 300 W PSU for basic office or home systems without high-power graphics cards. Verify total system power consumption before use and consider a higher-wattage unit for gaming or workstation configurations.