Is it okay to put Gen 3 SSD in my motherboards Gen 4 pcie slots?

The PCIe4 Lanes comes from 11th Gen CPU It allows some and PCIe slot running at Gen4 For Z590-A Pro, only 1st slot can run at Gen4,

After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

pcie 1 slot The PCIe4 Lanes comes from 11th Gen CPU It allows some and PCIe slot running at Gen4 For Z590-A Pro, only 1st slot can run at Gen4,

pcie x16 expansion slot The PCIe4 Lanes comes from 11th Gen CPU It allows some and PCIe slot running at Gen4 For Z590-A Pro, only 1st slot can run at Gen4,