SFF DT Desktop Power Supply Replacement for 390 990 790 3010 9010 Desktop Computer, Compact Internal Switching Power Unit, Stable PSU Replacement Spare Part for Office Tower Small Chassis PC

This compact desktop switching power supply is a high-quality replacement power unit designed for 390, 990, 790, 3010 and 9010 DT tower small chassis computers. It can effectively solve common faults such as unable to boot, random automatic shutdown, system crash and unstable operation caused by aging, burnout or damage of the original power supply.

Constructed with high-quality internal electronic components, the power supply delivers continuous and stable power output to support daily office work, document processing, web browsing and multimedia playback. Integrated comprehensive protection circuits including overvoltage, overcurrent, overload, overheat and short-circuit protection, which prevents permanent damage to the motherboard, hard drives and other internal hardware triggered by power surges and voltage fluctuations.

Consistent with the original chassis dimension, fixed hole location and power connector definition. No chassis modification, wiring cutting or extra adjustment is required during installation, enabling convenient direct replacement. The built-in cooling fan provides lasting heat dissipation during long-time continuous operation and slows down component aging.

It serves as a practical maintenance spare part for computer repair workshops, enterprise office equipment maintenance and home desktop refurbishment. Replace your defective power supply to restore your desktop to normal working status and save the cost of purchasing a brand-new complete machine.