The HP NC373m PCI Express Dual Port Multifunction Gigabit Server Adapter for c-Class BladeSystem is the industry's first PCI Express dual port multifunction network adapter for BladeSystems supporting TOE (TCP/IP Offload Engine), iSCSI (Internet Small Computer System Interface), and RDMA (Remote Direct Memory Access) over a single network connection. Each port on the NC373m Adapter is a four lane (x4) serial device designed for PCI Express Mezzanine slots.The NC373m PCI Express Dual Port Multifunction Gigabit Server Adapter enables c-Class BladeSystem customers to save mezzanine slots, optimize server performance, improve network communications, increase flexibility, and simplify their IT infrastructure.