PCIe vs : Is PCIe Worth the Upgrade?

Hp z640 NVMe PCIe Crucial card on PCIe expansion car nvme pcie 4 0 in 3 0 slot PCIe devices are forward and backward compatible, therefore a PCIe SSD will still work on a PCIe motherboard and conversely a PCIe nvme m2 slot laptop My questions are: 1 Is the PCI-E NVME SSD compatible with my Z390 Godlike MOBO which has PCI-E slots? 2

nvme vs m2 slot Yes, PCIe is backwards compatible as long as the item fits it The main issue is the slot is slower than the so it won't be as fast as