Cisco 15636-1 UCSC-C220 M5 SATA Interposer Board The Cisco 15636-1 is the part number for the SATA Interposer Board designed for the Cisco UCS C220 M5 Rack Server. This board, also identified by the part number UCSC-SATAIN-220M5, serves as an interface that allows the server's embedded software RAID controller to manage up to eight SATA-only drives. Here's a breakdown of what this interposer board does and its key features: Functionality: It enables the connection and management of up to 8 SATA hard disk drives (HDDs) or solid-state drives (SSDs) within the Cisco UCS C220 M5 server. RAID Support: When used with the embedded software RAID controller, it supports RAID levels 0, 1, and 10, providing options for data redundancy and performance enhancement. Compatibility: It is specifically designed for and compatible with the Cisco UCS C220 M5 Rack Server. It installs in the server's internal mRAID riser slot and works with front-loading SATA drives in bays 1-8. Cost-Effective Storage Expansion: This interposer board offers a way to expand the server's storage using cost-effective SATA drives without requiring a dedicated hardware RAID controller. Warranty: 60day