The AB20-U2PCI is a PCIe Gen5-compatible U.2/U.3 to PCIe adapter board designed for evaluating high-performance NVMe SSDs using FPGA platforms from Altera. It supports up to four U.2/U.3 SSDs, making it ideal for enterprise-level storage system prototyping and NVMe-IP core validation. Equipped with a 16-lane PCIe connector and low-jitter clock circuitry, the board ensures stable operation and high-speed data transfer. Its plug-and-play design and compatibility with standard FPGA boards make it a powerful and flexible development tool for NVMe solutions.