Does any PCIe slot support NVMe SSD's automatically or do I need

Does any PCIe slot support NVMe SSD's automatically or do I need m2 slot mainboard This PC has an slot It seems like NVMe And PC has a PCI The processor does not matter m2 vs nvme slot HI: I just purchased teh Z240 tower workstation, and one of the selling points was the slot 1

m2 vs nvme slot 1 SSD Slots 5 x · 4 x · 3 x · 2 x · 1 x Graphics Output HDMI EZ-Latch：PCIe x16 Slot with Quick Release Design; Fast Networks：

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