slots on ASUS z790…has 3… all are PCIe is one “faster”?

bandwidth and pcie - Hardware Hub m2 pcie 4 0 in 3 0 slot 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 m2 pcie 40 in 30 slot For our lines of high-speed PCIe® NVMe® SSDs, the Crucial System Scanner and Crucial System Advisor will list all 1 GBs 2 GBs 4 GBs

m2 expansion slot In general, installing a PCIe SSD in a PCIe slot might get a minuscule and unnoticeable performance boost, so is not worth the effort