Pico PSU-120 12V 120Watt Dc-DC ATX Power Supply for Mini-ITX Mainboard Eliminate 20 unnecessary wires by plugging in directly into the motherboard ATX connector. Cool power. Operating at only 12V, the picoPSU-120 dc-dc ATX power supply delivers 120 Watts of power. 100% Silent. The picoPSU-120 mini PSU is a 100% silent fanless dc to dc solution. No fans, no noise, just power for small and silent PCs. picoPSU-120 is a fully compliant DC-DC ATX PC PSU. It can power VIA mini-ITX boards with C3 or C7 processors, P3, P4 PicoPSU-120 ATX DC-DC converter is very small, measuring just 31x45x20mm, about the size of two AA batteries