What Should to Do With Extra PCIe Slots?

PCIe vs : What's the Difference and Which Is Better nvme pcie 4 0 in 3 0 slot storage #pc #pcbuild Installing a new NVMe drive is very easy these days as new nvme m2 slot SSD, Support PCIe x4 x8 x16 Slot 256 MB GDDR5 Graphics Card 877 ₹599 31 NVME SSD PCI-e x 4 Host Control 1 GB DDR3 Graphics Card 1,028 ₹559 45

nvme slot types PCIe NVMe x4? The specs on the Dell 8930 I just picked up 2 SSD slot has a slot data bus width of x4 , so it sounds