KHACHIMO NFN40-7638EP 40W ATX power supply 80 PLUS Gold

Compact 40 W ATX supply for low-power builds

The KHACHIMO NFN40-7638EP delivers 40 W of continuous power in a standard ATX form factor, making it suitable for thin clients, embedded systems or compact office PCs that prioritise efficiency over high output. Its 80 PLUS Gold certification confirms high conversion efficiency across typical load ranges. Modern Standby compatibility enables rapid wake-from-sleep transitions for responsive everyday use.

Fan-less operation at low and medium loads

A Zero RPM fan mode stops the cooling fan entirely while the unit runs at low and medium loads, providing near-silent operation for noise-sensitive environments. The 80 PLUS Gold rating reduces waste heat, which helps keep internal temperatures lower and contributes to quieter overall system acoustics. Resonant LLC topology with DC-to-DC conversion minimises coil whine and supports efficient low-power sleep states.

Stable output during sustained workloads

Resonant LLC topology with DC-to-DC conversion maintains clean, consistent voltage regulation when the supply operates under continuous load rather than short bursts. The design reduces coil whine and enables the use of deeper energy-efficient sleep states during prolonged sessions. High efficiency across the load curve limits heat build-up, supporting reliable performance over extended periods.