This specific backplane is "used" and "from a good server ONCE AGAIN ITEM IS NOT NEW. AS IS AND ALL SALES ARE FINAL The 0RDRTM Dell EMC PowerEdge 12-Bay 3.5" Server Backplane is a component used in Dell PowerEdge servers, specifically designed to support up to 12 bays for 3.5" hard drives. Here are some key details that might help describe the item: Compatibility: This backplane is typically compatible with specific Dell PowerEdge server models, supporting configurations for high-density storage. Drive Bays: It supports 12 3.5" SAS or SATA drives, allowing for scalable storage solutions within the server. Connectivity: The backplane connects to the server's RAID controller, which manages the drives and ensures data redundancy, performance, or capacity enhancements, depending on the RAID configuration.