What is the difference between PCIE & PCIE mini?

What is the difference between PCIE & PCIE mini? mini pcie slot Wireless Connectivity: Mini PCIe slots are often used for Wi-Fi and Bluetooth cards With an adapter, you can upgrade or replace these wireless modules with mini slot drain The PEX2MPEX PCI Express to Mini PCI Express Adapter Card enables Mini PCI Express cards to be used in a standard PCI Express card slot

mini slot drain Delock Converter Key A+E male > 1 x Mini PCIe Slot half size full size with flexible cable Item No : 62848

mini slot arcade casino adding a mini PCIe card or rather an mSATA SSD, however couldn't really find any specs for the mini PCIe slot except it's a 52 pins  Personally I would try a PCIe to mini-PCIe adapter if you have standard PCIe slots Amazon lists several I see Mouser has thousands of mini-