The SATA and NVMe SSD Enclosures fit in a 3.5” or 5.25” PC bay. The SSDs are installed into a removable SATA/NVMe drive module. The drive module goes into the 3.5”/5.25” enclosure in the PC bay. The drive modules are for data transfer, transport, and backup. Designed for frequent removal, the hot-swappable drive modules are rated for 100,000 mating cycles and use either M.2/U.2 NVMe SSDs or 2.5” SATA SSDs.