NetXen 10 Gb Ethernet Expansion Card for IBM BladeCenter is a new high-speed expansion card especially designed to interface with the Nortel 10 Gb Ethernet Switch Module for the next-generation IBM BladeCenter chassis. The 10 Gb Expansion Card provides the following: Two 10 Gigabit SERDES interfaces from each blade to the primary and redundant high-speed module switch bay locations; PCIe-based BladeCenter high-speed expansion card that can be simultaneously paired with other expansion cards in the future.