The product is a lot of 15 EMC Micron MTFDEAK400MAS 400GB SAS SSD 3.5 Tray 005050114 server drives. These solid-state drives are designed for high storage capacity and fast data access due to their SAS interface. The hot swap feature allows for easy replacement in servers, and the silver color adds a sleek look to the drives. Each unit is a 400GB SSD perfect for increasing the performance and efficiency of server systems.