HPE 811271-B21 DL20 Gen9 GPU Enablement Kit
HPE 811271-B21 is the GPU Enablement Kit for the HPE ProLiant DL20 Gen9 server. It is the required GPU riser option for qualified GPU configurations and provides a PCIe 3.0 x16 full-height, half-length horizontal graphics-card mounting position. The kit is intended for organizations upgrading compatible DL20 Gen9 systems for GPU-accelerated workloads while retaining the compact 1U server platform. HPE documentation specifically identifies 811271-B21 as the GPU Enablement Kit and states that it is mandatory for supported GPU cards.