SilverStone's RM43-320-RS is a high performance storage server chassis designed for the professional storage environment. It is well-equipped with hard drive trays compatible with 3.5" drives, motherboard support of up to E-ATX / SSI-EEB form factor, flexible mounts to accommodate ATX (PS2) / Mini Redundant power supplies and fan assembly with 3 x 120mm PWM ball bearing fans. RM43-320-RS has also included a tool-less ball bearing sliding rail kit for a simple server rack integration and auto-lock handles to convenient fixate the chassis once integrated. With an overall package designed for maximizing efficiency, flexibility, and durability, the RM43-320-RS is a great choice for professionals or data center engineers looking to build a storage server.