What Is PCIe? A Basic Definition

PCI Express pcieslot 2 Use larger SSDs, and manually partition them to do double-duty as SLOG and a small separate pool You'll get the separate pool you want, but pcieslot Unless you have very specific reasons to have it in PCIE_X16_2 i would recommend to move it to PCIE_X16_1 You don't need x16 for anything below

pcieslot GPUs are usually installed in the top x16 slot, as it has the most bandwidth and, traditionally, the most direct connection to the CPU Modern PCIe SSDs use