4th gen SSD on B450 motherboard?

It's hard to find PCIe NVMe drives that can cap the write speed of Thunderbolt NVMe enclosure Or maybe all my PCIe NVMe drives are old

Solved: Does installing gen4 NVMe SSD on PCIe 3 slot affect the speed? or should i buy 3 gen3 NVMe ssd? Please give me some advice

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

candy monsta slot Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale 2 NVMe SSDs on single slot using PCIe bifurcation: Set this up from