StarTech.com PCI Express to 2 PCI and 2 PCIe Full Length Expansion Enclosure SystemThe PEX2PCIE4L PCI PCI Express Expansion Chassis provides a quick and simple I O expansion solution to almost any PCI Express (PCIe) enabled system. Adding PCI PCIe cards to a server or workstation, or providing a platform to swap cards between a mobile and desktop setup is a cost effective and time saving solution for maximizing the I O capabilities of your system. The external expansion chassis adds two full length (35cm) PCI slots (32 bit 33MHz),