Power supply Dell JK930 280W with PFC – internal PSU for compatible Dell systems

The Dell JK930 280W internal power supply with PFC is a compact OEM power unit designed for compatible Dell desktop and server systems. It delivers a stabilized 280W output to power motherboard, drives, cooling fans and other internal components, while active power factor correction (PFC) reduces harmonic distortion and improves mains efficiency. The unit follows the form factor and connector layout expected by systems that accept this Dell-style internal PSU, making it suitable for repairs, replacements and spare-parts inventory management.

Advantages

This internal PSU provides a consistent 280W power delivery with active PFC for improved electrical efficiency and lower input current distortion. Its OEM-compatible form factor and standard internal connectors allow straightforward replacement in compatible Dell systems without major modifications. Designed for internal installation, the unit supports stable operation under typical desktop and small server loads and helps maintain system uptime by restoring original power specifications.

Suitable for

• Repairing or replacing a failed internal power supply in compatible Dell desktops and servers
• Maintaining a stock of spare parts for IT service and maintenance teams
• Upgrading or restoring power capability to systems that require a 280W OEM-style PSU

Key specifications

• Output power: 280 W continuous
• Power factor correction: active PFC for reduced harmonic distortion
• Form factor: internal OEM Dell-compatible supply designed for direct replacement
• Cooling: integrated fan-assisted airflow for thermal management
• Connectors: standard internal power connectors for motherboard, drives and system components
• Intended use environment: desktop and small server systems compatible with the unit's physical and electrical layout

How to use

Power off the system and disconnect it from the mains before attempting installation. Open the chassis according to the system manufacturer's service instructions, remove the failed power supply and replace it with the JK930 unit, ensuring all internal power connectors are seated correctly on the motherboard and peripherals. Secure the supply in the mounting location and reconnect external power. Power on the system and verify normal operation and that all devices receive power. Follow electrostatic discharge precautions and service guidelines to avoid damage during installation.

Usage recommendations

Use this unit only in systems whose mechanical and electrical layout matches the OEM Dell internal power supply form factor and connector arrangement. Verify compatibility with the host system before purchase. Keep the PSU installed in a well-ventilated chassis, maintain clean airflow paths, and avoid operating in excessive heat or dust environments. Replace with an identical or approved equivalent unit to preserve system stability and safety.