This lot includes 4 SuperMicro San Ace 80 9G0812P1F03 12V .58A server fans, specifically designed for cooling server cases. These black fans have a 4-pin power connection and a voltage of 12V. They are compatible with various brands and feature a dual ball bearing design for efficient cooling performance. Made of plastic, these server fans are a custom bundle from the Philippines, making them a reliable choice for maintaining optimal server temperature levels.