Desktop Tower Power Supply Replacement for 3670 3671 3967 3977 3980 T3620 T20 T30, Internal Switching PSU, Stable Power Unit for Office MT Small Chassis Desktop Computer

This tower switching power supply is a premium replacement power unit designed for 3670, 3671, 3967, 3977, 3980, T3620, T20 and T30 desktop computers. It effectively solves common issues including boot failure, unexpected shutdowns and system instability caused by aging or damaged original power supplies.

Constructed with high-quality internal electronic components, the PSU delivers steady power to support daily office tasks, document processing, web browsing and multimedia playback. Integrated overvoltage, overcurrent, overload, overheat and short-circuit protection mechanisms to safeguard the motherboard, hard drives and other internal hardware against voltage fluctuations.

It strictly follows original dimension, mounting hole layout and connector definitions. No chassis cutting or wiring modification required for direct replacement. The built-in cooling fan provides efficient heat dissipation during long continuous operation and extends component service life.

Perfect maintenance spare part for computer repair shops, enterprise office equipment maintenance and home desktop refurbishment. Replace your faulty power supply to restore your desktop and avoid purchasing a whole new machine.