IBM 49Y4379 – x3850 X5 and x3950 X5 QPI Wrap Card

IBM 49Y4379These wrap cards complete the full QPI mesh to allow all four processors to be connected to each other. The QPI Wrap Cards are not needed in two-processor configurations and not needed when a MAX5 is connected. The QPI Wrap Cards are only for single-node configurations with three or four processors installed. They are not necessary for any of the following items: Single-node configurations with two processors; Configurations with MAX5 memory expansion units and Two-node configurations.