What is the difference between PCIe Gen 3 and PCIe Gen 4?

I know I'm replying to an old comment, but maybe someone else sees this I recently got a Gen 4 SSD while still having a Gen 3 motherboard

2 but its for futureproofing, In the near future I'll most definitely have a system with gen 4 and the price difference between the gen 3 and

m2 nvme slot , pronounced m dot two and formerly known as the Next Generation Form Factor , is a specification for internally mounted computer expansion cards

m2 sata vs nvme 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