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

Such motherboards usually have an extra x4 slot connected to the chipset, so in that case you should move your GPU to that slot and install the

Ans: Yes, PCIe and PCIe are backward and forward-compatible This means that devices and components designed for PCIe can work in PCIe slots,

pcie 30 x1 slot PCIe Gen 3 operates at 8 GTs which roughly translates to 1 GBs per PCIe lane By comparison, PCIe Gen 4 operates at 16 GTs, or

pcie 4 card in pcie 3 slot 2 SSDs if the PCIe slot of your motherboard can read only three 4 for the PCIe slot you wish to install the HYPER X16 GEN5