The PEX1TO16R PCI Express x1 to x16 Slot Extension Adaptor allows for PCI Express (PCIe) cards up to x16 in size to be installed into x1 PCIe slots, within a 1U rack mount chassis - a necessary accessory for almost any 1U chassis enabling you to expand its capabilities by adding I/O ports or a dedicated graphics card. Backed by a StarTech.com 2-year warranty and free lifetime technical support. Add a PCI Express card to almost any 1U chassis at x1 PCIe host connection speed. Backed by a StarTec...