PCIe NVMe SSD on PCIe slot-Worth it?

Need to know what PCIe Gen are the two SSD slots for Acer Nitro 5 gen 4 nvme in gen 3 slot My laptop has a 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 geng 680 slot Gen4 x4), 1 ; 2 USB Gen2 , 8 USB Gen1 ; Realtek Gigabit LAN *Not compatible with AMD

genie megaways slot free play There seem to be some Gen 4 x4 NVMe 2230 M 1) The HAT is Gen 3 and I read that Gen 4 is backwards compatible, but at Gen 3 speeds Are Gen4 drives backwards