Mini PCI-E PCI Express to PCI-E 1X Card Adapter Riser Extender USB port 1.The PCI-E 1x to half Mini PCI-E Card is a adapter l for PCI-E interface card. 2.This adapter allows you to use your existing PCI-Express Add-in-Card in both half and full size Mini PCI-E slot. 3.It's especially designed to save valuable labor and time in the production environment. 4.As a powerful tool for engineers, the PCI-E 1x to half / full Mini PCI-E Card is constructed of high quality components for years of trouble free service.