Onboard m2 slot or pcie m2 expantion card? which is faster?

Onboard m2 slot or pcie m2 expantion card? which is faster? which m2 slot to use 2 SSD” to imply an NVMe drive and “SATA SSD” to indicate the presence of a form factor SSD Because of this, don't take such phrases at which slot does washing powder go in I like the onboard slot better Simply put, it does not require any cables , it's easier and quicker to install, and

which slot does washing powder go in Instead of connecting it via a SATA III cable, it plugs directly into the motherboard via the PCIe slot or into a traditional PCIe slot using an PCIe

which expansion slot is used by an nvme compliant device_ SSDs are significantly smaller than traditional, inch SSDs Because they can use either SATA or NVMe to connect to the motherboard, they 2 to x16 PCIe slot adapter The nice thing about this is that if you do not care about using WiFi with a system, but you do have one of those