The Lot of 7 Sunon PG40561BX-Q000-S99 Server fans are designed for use with Dell servers in the PowerEdge product line. These fans are units sold individually, with a total of 7 fans included in the lot. As they are genuine Sunon products, they are compatible with Dell servers and provide efficient cooling for optimal server performance. This lot of server fans is ideal for those in need of replacement or additional cooling components for their server setup.