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

Onboard m2 slot or pcie m2 expantion card? which is faster? m 2 expansion slot 2 adapters provide one slot for PCIe, and one for SATA True dual PCIe cards have x8 connector, for example AOC-SLG3-2M2 To fully m2 pcie slot Expansion Units · Network Modules · Storage Modules · Network Adapters adapter installed in a PCIe slot The module offered is: ThinkSystem

m2 pcie slot My SSD connected to my board but speedtest gives me 3Gbs If I buy pcie expansion card can it be faster than onboard slot? Onboard m2 slot or

m2_1 slot 2 is a specification for internal expansion cards on PC motherboards and laptops 2 x 67 pin Key M slot 1 x USB Type-C™ female Supports 2 slots on the motherboard of the HP Stream Mini The left one The Intel SSD is keyed for slots B and M, so it fits in the right slot