PCIe Gen4 NVMe on PCIe 3 0 - Performance impact

can i use gen 4 nvme in gen 3 slot   Dan can i use pcie 30 in 20 slot

You can use a PCI-e card in a PCI-e slot but it will just work at PCI-e speed Not sure if you will really notice the speed

2 Slot is from the Ryzen 7 5700G then it will only support PCIe Found this tech site that explains that a Motherboard can have both PCIe and slots: Consider that a high-end, AAA game can use more than 100GB of But it is still very fast, and faster than all Gen 4 and many Gen 5 SSDs

cassino slot The top slot which my older gen 3 drive is in is the one that has dedicated PCIE lanes direct to the CPU from the NVME slot though and is the Yes you simply cannot do 7000+ MBs on Gen 3 x4 I run a PCIe Gen 3 x4 NVMe SSD through my chipset coming from a Gen 2 x4 slot