The PEX4TO16R PCI Express x4 to x16 slot extension adapter lets you install PCI Express (PCIe) cards (up to x16) into x4 PCIe slots in a 1U rack mount chassis. A necessary accessory for almost any 1U chassis, the slot adapter lets you expand system capabilities by adding I/O ports or a dedicated graphics card.
Designed to fit most 1U server chassis
Complete pass-through design supports the latest PCI Express speeds