The Triple PCI-E Mini Card passive adapter is designed for all mPCIe Card application (PCIe/USB/mSATA) on desktop PCs.
left MiniCard slot support USB type MiniCard, you can insert your USB type MiniCard to this slot then plug to USB 5pin header port through USB cable.
Middle MiniCard slot support both PCI-E and USB type MiniCard, you can insert your USB type minicard to this slot then plug to USB 5pin header port through USB cable.
Or insert your PCI-E type mini-card into this adapter then insert to PCI-E 1x connector.
Also, you can insert WiFi & Bluetooth Combo card such as Intel® Centrino® Advanced-N 6235 can be used for supporting both WiFi by PCIe and Bluetooth by USB at the same time.
Right MiniCard slot support both mSATA and USB type(option) MiniCard, you can insert your mSATA SSD card to this slot then plug to SATA 7pin header port through SATA cable.
Or insert your USB type MiniCard, then plug to USB 5pin header port through USB cable. (Option)