“…Each drawer consists of two tightly coupled processing nodes, up to 2.5 terabytes (TB) of physical memory, up to 4 legacy Galaxy (GX) I/O adapters, and 10 integrated PCIe** x16 Generation-3 I/O hubs [2], along with an enhanced four-level cache design. Combined, these features provide up to 50% more system capacity throughput than the IBM zEnterprise* EC12 (zEC12) [3,4]. In addition, these features enable the system to better support the traditional LSPR (Large Systems Performance Reference) workload set [5], to better leverage and expand on the hardware/ software synergy that emerged on the zEC12 system, and to provide a highly competitive system for new and emerging workloads, while continuing the trend for increased system capacity within a constant energy footprint from one generation of mainframe to the next [6].…”