The HPE 729553-B21 H221 is a PCIe 3.0 host bus adapter designed for SAS storage connectivity in enterprise server environments. This card provides high-speed SAS protocol support with PCIe 3.0 interface delivering up to 8 GB/s aggregate throughput, enabling direct attachment of SAS drives and expansion enclosures. The H221 is compatible with HPE ProLiant Gen8 and later server platforms, supporting both 6 Gbps SAS devices and mixed SAS/SATA configurations. Typical applications include database servers, virtualization hosts, and storage-intensive workloads requiring dedicated SAS connectivity without consuming integrated system controllers. The adapter supports up to 24 concurrent SAS connections depending on configuration. Refurbished unit, tested and guaranteed, available via quote.
