240W SFF Power Supply Replacement PSU H240AS-00 AC240AS-00 Compatible with Dell OptiPlex 3010 7010 9010 790 390 Small Form Factor Desktop

This 240W small form factor switching power supply is a premium replacement unit designed for Dell OptiPlex SFF compact desktops. It directly replaces OEM power supply models H240AS-00 and AC240AS-00, complying strictly with original factory dimensions, electrical parameters and interface layout standards.

It is fully compatible with OptiPlex 3010, 7010, 9010, 790 and 390 SFF computers. The connector wiring layout is identical to the original PSU, supporting fast plug-and-play installation. No rewiring or structural modification is required, which greatly improves maintenance efficiency.

Adopting mature switching circuit design, this power supply delivers low ripple and stable voltage output to meet daily office computing, document editing and light multimedia usage demands. Integrated comprehensive protection circuits including overvoltage, overcurrent, overload and short-circuit protection. The power supply will automatically cut off output once abnormal signals are detected to prevent motherboard, hard drive and other hardware burnout.

All finished power supplies undergo long-duration full-load aging testing and complete function inspection before shipment. High-quality internal electronic components support reliable performance under long-hour continuous working conditions. Compact SFF size adapts to narrow internal chassis space. It is a cost-effective maintenance spare part for enterprise offices, schools and professional computer repair workshops.