The product is a lot of 8 genuine Dell PowerEdge R640 CPU cooling fans, specifically the RG2X2 model with part number GFC0412DS-D. These black case fans are designed for Dell servers and have a maximum fan speed of 1500 RPM. Manufactured in China, these ball-bearing fans are essential for maintaining optimal cooling and performance in computer systems. Ideal for businesses or individuals looking to replace or upgrade their server cooling system, these Dell fans offer reliability and efficiency.