Feature Benefits
New 4.2GHz core processor
  • Up to 36 percent performance boost per core with improved cache design (2X) and new hardware function to boost software performance for business critical workloads****
Up to 6 CPs with a capacity from 50 to more than 4900 general purpose MIPS
  • Unprecedented scale in a single frame footprint delivering 56 percent more Single System Image Capacity for /OS, z/VM and z/VSE workloads****
Up to 13 IFLs (Linux cores) (equivalent of 8733 MIPs)
  • Consolidate 62 percent more workloads while gaining a 27 percent price performance improvement for Linux workloads to address growth in traditional and new workloads including, cloud, mobile and analytics****
  • Consolidate hundreds of distributed workloads onto a single system to improve efficiency and reduce costs: save up to 55 percent with a zBC12 or an annual savings of up to $670k per year or $3.35M total savings over 5 years.††††
Improved granular cost structure with up to 156 capacity settings
  • Twenty percent increase in granularity to choose the right capacity setting for your needs with the flexibility to scale on demand as workload demands increase.****
Up to 496 GB in Total System Memory
  • 2x increase in available memory for improved performance of memory-demanding workloads such as IBM DB2, IBM WebSphere and Linux****
Entry level model with 2X capacity and same low price as previous generation
  • Provide a cost effective way for you to start small and rapidly grow with ease as needed.
Proven Hybrid Computing design, when configured with a z BladeCenter® Extension (zBX)
  • Combines z Systems, UNIX and Intel server technologies into a single unified system to integrate and manage heterogeneous workloads for consistent, automated and reliable service
  • Reduces the number of skills necessary for managing your IT infrastructure.
Common Criteria Evaluation Assurance Level 5+ (EAL5+) certification for security of logical partitions
  • Provides the highest level of security in the Industry to protect your business’s critical data and reputation.

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Browse z Systems


Infrastructure matters. Businesses turn to the IBM mainframe for unmatched security, operational efficiency, speed, seamless scale, and lower cost per transaction. The IBM z System, the world’s premier data and transaction engine, is enabled for mobile, integrates transactions and analytics, and delivers efficient and trusted clouds.

z Systems innovations

  • New features bring even greater business benefit.