The Lenovo ThinkSystem 2U E/x16/x16 PCIe G4 Riser 1/2 Kit is a comprehensive solution designed to enhance the expansion capabilities and reliability of your server. This kit includes a 2-Slot PCIe 4.0 Riser Card and a 3-Slot Riser Cage, offering both flexibility in expansion and robust protection for your components. Tailored specifically for Lenovo ThinkSystem servers, this accessory kit ensures seamless compatibility and performance, making it an essential upgrade for your server infrastructure.