Should you buy a PCIe or SSD?

Should you buy a PCIe or SSD? can you use a pcie 4 0 nvme in a 3 0 slot Hello all, Currently, I have a Z390 Godlike motherboard with a Samsung 970 Pro 1TB NVME SSD My current readwrite speed is 3500MB2700MB candelas de los muertos senor muerte slot 2 2280 solid-state drive , 22 mm wide and 80 mm long Connects to, Motherboard via one of: PCIe ×4; PCIe ×4; PCIe ×4; Serial ATA · USB

candelas de los muertos senor muerte slot use of the NMVe 2280 and 2230 form factors to utilize a Samsung 980 PRO PCIe NVMe Slot remains unused but can be configured to support select

candy crush slot This arrangement enables NVMe to offer almost four times the IO and ten times the seek time NVMe drives are so much faster than SATA drives  PCIE 5 SSD vs Gen 4 Vs Gen 3 VS Sata! Join PC Centric for the load ssd speed and gaming