Connect a pci express based desktop or rackmount pc directly to a gigabit multimode sc fiber optic network the pex1000mmsc2 pcie gigabit fiber network card lets you connect a desktop pc directly to a fiber optic network by adding a multimode sc fiber port to your computer or server through an available pci express slot perfect for integrating into new or existing fiber infrastructure over great distances this card delivers full gigabit bandwidth to your computer up to 550 meters away from