The HP 647594-B21 is a versatile 331T 1Gb 4-Port PCI Ethernet Adapter that offers both high performance and flexibility for HP servers, compatible with both high profile (HP) and low profile (LP) configurations. This multifunction Ethernet adapter provides four 1GbE ports, significantly expanding network capacity and facilitating high-speed network connections for a variety of applications and services. It is built on proven technology, offering reliable and consistent network performance with support for advanced features such as VLAN tagging, adaptive load balancing, and Wake-on-LAN (WOL). The adapter's broad compatibility ensures easy integration into existing HP server environments, making it an ideal choice for businesses looking to upgrade their network infrastructure. Its low power consumption and efficient design help reduce operational costs and contribute to a greener data center. Whether deployed in enterprise data centers or small business environments, the HP 331T adapter provides a cost-effective solution for enhancing network performance and reliability.