The 2 Link Switch Network Interface (SNI) for the p5-575 provides the attachment to the pSeries High Performance Switch (HPS). The 2 Link SNI plugs into the GX bus of the p5-575. Connection to the HPS is accomplished by using the copper switch cable features. Within the rack, the location of the 2 Link SNI will alternate between the left side and the right side of the p5-575 for cable management. #7910 occupies the space of one PCI-X adapter within the server, reducing the available PCI-X slots by one.