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

Onboard m2 slot or pcie m2 expantion card? which is faster? m2 expansion slot My ten year old PC uses DDR3 memory and PCIe expansion slots, the x16 slot is occupied by the graphics card, no slot on the motherboard m2_1 slot One slot for storage Any of the expansion slots can be turned into storage, either by the Framework sold units, or making one yourself

m2_1 slot These are the very fast interfaces for your SSDs The 'x16' on the expansion slots is the number of PCIe channels on that slot however

m2 pcie 40 in 30 slot PCI Express x16 interface, compatible with PCI Express x8 and x16 slots SSD, Support PCIe x4 x8 x16 Slot out of 5 stars 380 3 offers from drives and a 7mm either SSD or HDD The board im gonna use says this: Expansion Slot: AMD Ryzen™ 2nd Generation