What is the difference between PCIE & PCIE mini?

What is the difference between PCIE & PCIE mini? mini pcie slot Mini PCIe to PCI express 16X Riser for Laptop External Graphics Card EXP GDC BTC Antminer Miner mPCIe to PCI-e slot Mining Card $15 Special Shipping mini pcie slot The traditional Mini PCI slot , the full height Mini PCIe slot , and the half height Mini PCIe slot The Mini PCI cards

mini pcie slot As long as the is wired to the Pcie and if there is an adapter in existence? Then yeah it would

minipcie slot Ideal for Internet of Things applications, small form factor industrial motherboards and embedded computers which feature an available Mini PCIe expansion slot slot an One PCI Express half-size mini card socket So, my question is: can I add an SSD in this socket and install my OS on it