can i use pcie 4.0 in 3.0 slot
PCIe 3.0 VS 2.0: What are the differences and similarities? - EaseUS
A Pcie 3.0 graphics card will work in a Pcie 4.0 slot, ensuring compatibility and flexibility for users.
Mainboard Gigabyte Gaming -Intel B760- LGA1700(12+13+ ...
Learn whether PCIe 4.0 NVMe M.2 SSDs will work in PCIe 3.0 M.2 motherboard slots. ... Learn whether PCIe 3.0 NVMe M.2 SSDs will work in PCIe 4.0 M.2 motherboard slots.
Can You Use a PCIe 4.0 SSD On Your Existing Motherboard?
You can use the PCIe 4.0 SSD on any motherboard with an NVMe M.2 slot.