Active PFC (full range), MEET IEC-1000-3-2 CLASS D 12V Max. Current :40A REMARKS: 85% IS NORMAL CONDITION AND 95% IS WITH SPECIAL COATING PROCESS EMI NOISE FILTER: FCC CLASS B, CISPR22 CLASS B SAFETY: UL 1950, CSA 22.2 NO/ 950, TUV IEC 950 2+1 HOT-SWAPPABLE / HOT-PLUGGABLE REDUNDANCY FUNCTION Cooling: 3x 40 mm DC FANS ( ONE IN EACH MODULE ); 1x 80 mm DC FAN ( REAR SIDE ) AC INLET IN EACH MODULE Serial ATA optional