A storage device assembly is provided. The storage device assembly includes a latch assembly having a body and a hook mounted on the body, the hook having elasticity and having distal ends thereof bend away from the body; and a storage device to be joined to the latch assembly. The storage device includes a memory module including a memory connector, and a first enclosure and a second enclosure that encase the memory module except for an opening through which the memory connector is accessible. The first enclosure includes fixing holes corresponding to the distal ends of the hook and configured to accommodate the distal ends of the hook in a configuration in which the storage device is joined to the latch assembly.