The Chenbro 3.5" HDD Tray (caddy) is a black caddy designed for all Chassis 1-4U models, specifically the RM14604-131-D. This caddy is compatible with 3.5-inch hard drive sizes, providing a convenient and secure way to install and remove storage drives in your computer or server chassis. With the trusted Chenbro brand, you can expect high-quality construction and compatibility with a wide range of chassis models.