smbus connected to pcie slots: UGREEN M.2 NVME PCIe 3.0 X4 X8 X16 Adapter Card .... M.2 2x4 Low-profile PCIe Card - SONNETTECH. Will a regular PCI Express card work in a "PCI Express x16 ....
This converter from Delock transforms the M.2 Key B or Key M interface into a Mini PCIe interface. Various Mini PCIe modules with USB and PCIe support can be connected to this converter.
Because most of PCI-e SSD's are designed for netbooks that do have a SATA or PATA controller connected to the PCI-e
slot so that they can use SSD PCIe cards.
I want to add a better gigabit NIC to it, and the
PCI slot is already in use by a SATA card. According to this this diagram of the chipset, the x16
PCIe slot is connected differently than the other
PCIe slots.