Are you looking for a cost effective, enterprise-class controller for internal attached drives without occupying a PCIe expansion slot? The HPE Smart Array E28i-a SR Gen1 Controller, supporting 12 Gb/s SAS and PCIe 3., provides a cost-effective storage solution with enterprise-class reliability supporting RAID , 1, 5, and 1 and software-defined storage (SDS). This controller has eight internal SAS lanes, allowing connection to SAS or SATA drives, supports Mixed Mode operations of RAID and HBA simultaneously, and offers encryption for data-at rest on any drive. This type-a modular controller occupies a dedicated storage slot without occupying a PCIe expansion slot.