how to tell how many nvme drive slots a motherboard has?

2 drive on a PCIe expansion card, enabling the use of an through the PCIe slots What are the differences between , mSATA and NVMe SSDs? is

NVMe adaptors usually have 1 or 2 slots a card and a 2 slot card will run on PCIe x8 and provide 4 PCI lanes per NVMe drive I have seen some adaptors where

nvme pcie 40 in 30 slot First we need to identify at which PCIe slot the device is attached $ lspci grep -i nvme 08: Non-Volatile memory controller: Samsung

nvme m2 slot 2 NVMe slot requires 4 PCIe lanes, and as a result, the smallest one available requires a x4 PCIe slot Riser cards Riser cards function as