Supporting Intel? Xeon? E7-4800/8800 v4/v3 processors, the HPE DL580 Gen9 offers enhanced processor performance, up to 6 TBs of memory, greater IO bandwidth (9 PCIe Gen3.0 slots), and 12 Gb/s of SAS speeds. HPE ProLiant DL580 Gen9 has security and data protection features for system resiliency that your business can depend on. All, making it ideal for mission-critical enterprise, business intelligence, and database applications. The 793161-B21 stands for HPE ProLiant DL560 Gen9 Configure-to-order Server.