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

NVMe x4 adapter card for PCIe x1 slot nvme gen 4 in gen 3 slot 5+3 Phases Pure Digital VRM Solution with Low RDS MOSFETs 9 Supports 3rd Gen AMD Ryzen™ Processors 10 Dual Channel DDR4, 4 DIMMs 11 Dual nvme slot vs m2 The UD85 makes it easy to upgrade from PCIe Gen 3 to Gen 4 It's also 2 slots supporting PCIe interface and an OS with NVMe support Operating

nvme m2 slot 1x SSD slot , 1x SSD Combo (NVMe PCIe Gen3 1x 2280 NVMe Gen 3 slot + 1x 2280 Gen 4 ; 1x 2280 NVMe Gen