The HP 581199-001 is the HP NC550SFP 2-Port 10Gigabit Server Adapter, designed to provide high-speed network connectivity and bandwidth for demanding data center and enterprise environments. This dual-port server adapter offers enhanced data transfer rates of up to 10 Gbps per port, significantly boosting network performance and enabling rapid data transfer and access. Utilizing an SFP+ interface, it offers flexibility in network connection types and is compatible with a wide range of SFP+ transceivers and direct attach cables. The NC550SFP is built on an innovative architecture that supports hardware acceleration and offloads for stateless TCP/IP, making it highly efficient in virtualized environments and when handling high volumes of network traffic. It incorporates advanced server features such as VLAN tagging, adaptive interrupt coalescing, and MSI-X support to improve network throughput and reduce CPU utilization, making it an excellent choice for servers requiring high bandwidth for virtualization, database access, and storage over IP. Its low-profile design ensures compatibility with various HP servers, making it a versatile solution for upgrading network performance.