The Dell ONR5PC H830 Dual Port 12GB SAS Cache RAID Controller is a high-performance storage solution designed for servers and enterprise networking systems. With two SAS network ports and a cache capacity of 2GB, this card offers fast and efficient data storage and retrieval. Specifically designed for Dell servers, this low-profile card is a reliable option for businesses seeking to enhance their storage capabilities. Made in China, this product is compatible with PCI Express x8 ports and comes with a warning regarding potential chemicals used in the manufacturing process.