The Bitmain S-21 cooling fans by Martech operates at a voltage of 12V/7000 rpm, providing efficient cooling for computer components and parts. This fan is designed to effectively dissipate heat and ensure optimal performance for ASIC computers and other mining devices. With its reliable cooling capabilities, the Bitmain S-21 fan is a valuable component for maintaining the temperature of ASIC Miners. Top rated cooling fan.Sold in sets of 4.
REPLACE ALL 4 FANS FOR BETTER COOLING DURING THE SUMMER/FALL MONTHS