PCIe Gen 4 vs Gen 3: Do you need to spend extra on SSDs?

PCIe Gen 4 vs Gen 3: Do you need to spend extra on SSDs? can i use gen 4 ssd on gen 3 slot PCIe generations are backward compatible but will run at the lowest generation of either the card or the slot For example, inserting a PCIe can you connect pcie 40 in 30 slot PCIe 4 is backwards compatible with gen 3, 2 & 1, and you will get at least the same performance from putting a drive in a slot as

can you connect pcie 40 in 30 slot On the it says PCIESATA does that mean I cant put gen 4 there? At the moment I have a WD PC SN530 PCIe Gen3 x4 NVMe installed on slot

can casinos manipulate slot machines with your players card Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express On the it says PCIESATA does that mean I cant put gen 4 there? At the moment I have a WD PC SN530 PCIe Gen3 x4 NVMe installed on slot