4th gen SSD on B450 motherboard?

Which Gen SSD to buy? PCIE Gen 3 or PCIE Gen 4? In this video I will explain the real

PCIe SSDs are twice as fast as PCIe SSDs But next-generation PCIe SSDs will double PCIe Gen 4 speeds

gen 4 ssd in gen 3 slot PCIe SSDs are twice as fast as PCIe SSDs But next-generation PCIe SSDs will double PCIe Gen 4 speeds

genghis khan slot When installed in a Windows PC's PCIe slot with four SSDs formatted in a RAID 0 configuration, the card is capable of 8,500 MBs transfers Aggregate