Cool power. Operating at only 12V, the picoPSU-120 dc-dc ATX power supply delivers 120 Watts of power. picoPSU provides plenty of power (via ATX connector and HDD cable harness) for CPU and an entire range of peripherals. 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, Pentium-M, Core Duo Mobile or Desktop versions and llow power AMD processors. picoPSU-120 ATX DC-DC converter is very small, measuring just 31x45x20mm, about the size of two AA batteries, picoPSU-120 is also 1U ServerRack compliant. CE / FCC / VCCI Certifications: EN55024, EN55022 Class B (CE certification), Australia / New Zealand (using CISPR 22, EN55022), Japan (VCCI: using CISPR 22, ANSI C63.4), United States (FCC Part 15, Subpart B, Class B), Canada (ICES-003 using CISPR 22, ANSI C63.4).