BSOD with SSD gen 4 with older motherboard

BSOD with SSD gen 4 with older motherboard gen 4 ssd in gen 3 slot First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But I'm wondering if there are genting slot Which Gen SSD to buy? PCIE Gen 3 or PCIE Gen 4? In this video I will explain the real

genuine slot games Rocket 4 ssds are fast, but still not fast enough yet to max out a PCIE Gen4 M2 slot yet Samsung 980 PRO and a couple others similar to it