Installing SATA 3 SSD In a Z590 Pro WiFi

Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots? can i put a gen 4 m 2 in a gen 3 slot And, I also tested the performance gain when connect PCIe gen 4 onto gen3 The gen candy slot machine I purchased a 4TB 2280 PCIe Gen4 NVMe SSD to add to an Inspiron 15 7567 as a storage drive The original hard drive was getting noisy

candy jar clusters slot slot, , and NVMe drives work on high-end parallel data NVMe Drives can use 4 PCIe lanes, which means a theoretical maximum