9211-8i card in PCIE x16 slot but operates at x4, would this

The difference between PCIe x1, x4, x8, x16 and x32 pcie 2 slot Table 1 provides information about the PCIe slots in the 8247-42L system that offers both a single POWER8® processor module or two POWER8 pcie slot width A PCIe lane is a single data channel within a PCIe slot Introduced further doubling of data rate per lane compared to PCIe , providing higher performance

pcie4 slot This video explains everything you need to know about PCIe slots, including PCIe slot