Do you need a Host Bus Adapter for your HP ProLiant Server? HP Enterprise StoreFabric Host Bus Adapters deliver quality performance for all your server networking needs. This HPE Host Bus Adapter is Quad-Port. The P9D91A has a 8GB base transfer rate and works well in your HPE ProLiant DL380 Server (Gen9 & Gen10). ServerDiskDrives offers you a 1 year warranty on this Host Bus Adapter and free shipping! Manufacturer: HPE Model Number: P9D91A Product Type: 4-Port Host Bus Adapter Warranty: 1-Year Shipping: Free (2-3 days USA)