The Vantec Multi-Size M.2 NVMe to U.2 (SFF-8639) 2.5"" SSD Adapter allows users to easily connect an M.2 SSD to a U.2 port on a motherboard or expansion card. The adapter is designed to accommodate M.2 NVMe SSDs of various sizes, making it compatible with a wide range of devices. With the Vantec brand known for its quality and reliability, this adapter is a convenient and efficient solution for expanding storage capabilities in computers and servers.