The IBM 2/4-Ports 1Gbps 10Base-T/100Base-TX/1000Base-T Gigabit Ethernet PCI Express x4 Ethernet Expansion Card (CFFh) for BladeCenter is a versatile expansion card designed to enhance the networking capabilities of IBM BladeCenter servers. It features 2/4 ports with 1Gbps data transfer speeds, allowing for reliable and high-speed connectivity. The PCI Express x4 interface ensures compatibility with a wide range of BladeCenter server models. This expansion card is suitable for organizations that require reliable and scalable networking solutions for their BladeCenter infrastructure. With support for various Ethernet standards, it can efficiently handle data-intensive tasks such as server clustering, virtualization, and storage area networking.