Figuring out if I have a free pci-e slot using idrac?

1x PCI-E x16 @ x16 PCIe lanes connected to the slot · 1x PCI-E x16 @ x4 · 2x PCI-E

According to the spec sheet for a Molex PCIe connector, the rise from the mounting surface to the top of the socket is

pcie x16 expansion slot PCI Express expansion slot of industrial computer, PCI Express cards Physical 2 module is accommodating on width and length, and the standard is

pcie expansion slot Verilux® NVME Adapter PCIe x16 with Gel Pad, NVME or AHCI SSD to PCIE Adapter Card for Key M 2230, 2242, 2260, 2280 Size SSD, Support PCIe x4 x8