The Supermicro tool-less 2.5" hot-swappable drive tray (MCP-220-00147-0B) is a great addition for those who would like to use a tool-less version of 2.5" drive tray. This drive tray is compatible with various Supermicro chassis. Each hard drive tray is validated to ensure quality. - 2.5" Clip Design HDD/SSD Tray - Hot-Swappable - Tool-less version of MCP-220-00047-0B - Supermicro Certified