PORJET: New Micro SATA Cables - Mini PCI-E & Half Mini PCI-E Card to USB 2.0 Adapter Card The Adapter is for MINI PCI-E interface, do not use for NGFF interface. The Adapter Is For A Mini PCI-E Slot To USB 2.0 Device Interface Supports Both Full And Half Size Mini Pci-e Card Slots It is very suitable for any small size USB device needed to be plugged into a laptop This mini product supports USB device's Maximum power: 750mW