The HP StorageWorks 81B Single-Port LC 8Gbps Fibre Channel PCI Express Host Bus Network Adapter is a high-speed network adapter designed for use in storage environments. It features a single-port design with an LC connector and supports the 8Gbps Fibre Channel standard. This adapter utilizes the PCI Express interface for fast and reliable data transfer between the server and storage devices. It is suitable for high-performance storage applications and offers high-speed connectivity for efficient data transmission.