pcie slot ✓ What do you all do with a second PCIe slot? : rbuildapc

I am assuming slot that you refer to is NVMe interconnect, because on an SATA it is SATA, nothing more NVMe is a PCIe inpcie slot,There are three external PCIe slots and one internal PCIe slot available in the Oracle Exadata X8-2 Database Server The external slots support standard

PCI is a parallel interface whereas PCIe is a serial interface PCI uses individual buses for each of the devices connected to it instead of a shared one like pcie slot,PCIe cards can always operate in PCIe slots with the same or more lanes than the card For example, an x8 card can operate in a slot with x8, x16, or x32 lanes

pcie slot,There are eleven PCIe slots available for PCIe cards The following figure shows the PCIe slot numbering