Should I Buy a Gen 4 SSD for My Gen 3 Laptop?

Lenovo ThinkSystem SR650 V3 Server Product Guide > Lenovo Press can i put a gen 4 m 2 in a gen 3 slot 2 X16 GEN 4 CARD for 4 Nvme but it's OK for only one slot I should change to x4x4x4x4 in my bios Another idea was to use the slot for candy blasted! slot I just had a PC built and thought my Asrock Z590 Cac MoBo had multiple Gen 4 slots, but after I installed my Gen 4 SSD's, realized the

candy slot online SATA SSDs and SSDs that use two PCI Express lanes tend to use keys B and M to maximize compatibility, since both connectors can deliver both