For case SC505. 40 x 28 mm fan holder. The brand Supermicro. Supermicro designs, develops, and manufactures optimized server solutions based on x86 architecture. The company's extensive product range includes the industry's most comprehensive selection of server, high-end workstation, and storage systems, as well as energy-efficient server components known as Server Building Blocks Solutions, which include server boards, chassis, and power supplies. Additionally, Supermicro offers powerful Universal I/O (UIO) expansion card technology and other system accessories. A strong emphasis is always placed on energy efficiency to provide effective solutions optimized for a wide range of customer applications.