Which is faster an slot or PCI-E slots for an drive?

2, also known as NGFF is the successor of the mSATA standard for expansion cards 1x 2280 NVMe slot and 1x 2230 NVMe

Usually either sacraficing SATA Ports or in some cases PCIE Slots for expansion cards That will show which slot affects what and what speed

m2 slot mainboard Expansion Slots: 1 x PCI Express x16 slot , integrated in the CPU: * For optimum performance, if only one PCI Express graphics card is

m2 slot screw Expansion Slot Utility lets you view and change how your cards are allocated M2 Ultra chip and doesn't share bandwidth with the PCIe slots