IBM System z10 Business Class


The future runs on System z

The System z® mainframe is the flagship of the IBM® Systems portfolio, delivering breakthrough innovation, maximum flexibility and true value for today’s enterprise computing. With leadership capabilities in security, availability, scalability, virtualization and systems management, System z can enable your businesses to grow in response to changing business requirements while continuing to drive complexity and cost out of the infrastructure.

The IBM System z10® Business Class (z10® BC)—as the newest member of the System z family—delivers a whole new world of capabilities for a broader set of businesses delivering the scalability, flexibility, and breakthrough performance you need—at the lower-capacity entry point you want.

Designed specifically as a midrange mainframe, with extensive growth options, industry-leading virtualization and consolidation capabilities, and excellent price/performance, more and more customers can now experience the same System z technology that allows some of the world’s largest companies to answer their future challenges today.

Fighting old myths and perceptions—z10 BC offers the technology for any business that wants to ramp up innovation, boost efficiencies and lower costs—pretty much any enterprise, any size, any location. And it’s about rewriting the rules and delivering new freedoms for your business. Whether you want to deploy new applications quickly, grow your business without growing IT costs, consolidate your infrastructure for reduced complexity, or extend the classic strengths of System z to heterogeneous platforms in your data center, look no further—z Can Do IT.

* Specialty engines and associated memory on z10 BC are priced 50 percent and 60 percent less, respectively, compared to the z9® BC. “Incremental” refers to the addition or expansion of IFLs on a new or upgraded z10 BC. 50 percent performance gain based on multi-core performance improvement as measured by IBM for 5 IFL cores. 40 percent for single cores. ICFs excluded.

Benefit Features
Capacity on Demand
Specialty Engines
I/O Connectivity
Cluster Systems
Processor Core types: CP/IFL/ICF/zAAP1/zIIP1
Model Minimum Maximum Increments
E10 1/1/1/0/0 5/10/10/5/5 1/1/1/1/1
Coupling Links2
ISC-33 48
IC 32
ICB-4 12
Maximum # Links 644
InfiniBand Coupling Links 12
Minimum: 0/0/0/0/0/0/0/0 ESCON/FICON Express8/FICON Express4/FICON Express4-2C/FICON Express25/FICON Express5/OSA-Express36/OSA-Express2
Maximum: 480/128/128/64/80/40/96:486/48 ESCON/FICON Express8/FICON Express4/FICON Express4-2C/FICON Express25/FICON Express5/OSA-Express36/OSA-Express2
Increments: 4/4/4/2/4/2/4/2/2/1 ESCON/FICON Express8/FICON Express4/FICON Express4-2C/FICON Express25/FICON Express5/OSA-Express36 GbE, 1000BASE-T/OSA-Express3 10 GbE/OSA-Express2 GbE, 1000BASE-T/OSA-Express2 10 GbE
HiperSockets Up to sixteen high-speed “virtual” Local Area Networks (LANs)
Crypto Express3 and Crypto Express2 Optional up to 8 features (16 PCI-X adapters), minimum order is 2 features

(single port features available for z10 BC only, this feature can not be moved to the Enterprise Class)
Processor Memory
Model Minimum Maximum7
E10 4 GB 248 GB
Upgradeability Upgradeable from IBM System z9 Business Class (z9 BC)

Upgradeable from IBM eServer™ zSeries® 890 (z890)

Upgradeable within the z10 BC Model E10

Upgradeable to z10 EC Model E12
Physical Configuration Model E10, minimum8 Model E10, maximum9
Weight 857.3 kg (1890 lbs) 953 kg (2100 lbs)
Footprint 1.42 sq meters (15.22 sq ft) 1.42 sq meters (15.22 sq ft)
Service 3.50 sq meters (37.62 sq ft) 3.50 sq meters (37.62 sq ft)
Input <28oC, >28oC 3.7, 4.3 KW 6.2, 7.35 KW
Heat <28oC, >28oC 12.5, 14.7 KBTU/hr 21.3, 24.7 KBTU/hr
Air Flow Nominal10 780 CFM (22.09 m3/m) 1320 CFM (37.38 m3/m)
W x D x H 785 x 1854 x 2013 mm (30.9 x 71 x 79.3 in)
Supported Operating Systems
z/OS11 z/OS V1.9 and subsequent releases
z/VSE z/VSE V4.1 and subsequent releases
z/VM z/VM 5.3 and subsequent releases
Linux on System z Novell SUSE SLES 9 and subsequent releases, Red Hat RHEL 4 and subsequent releases, Linux is supported as a z/VM guest or natively in an LPAR
TPF TPF 4.1 and subsequent releases
z/TPF z/TPF 1.1 and subsequent releases

1 One zAAP and/or zIIP maximum per general purpose processor (CP); one CP can satisfy the requirement of one or both specialty engines

2 At least one I/O feature (ESCON or FICON) or Coupling Link feature (ICB-4, ISC-3, or InfiniBand) must be present in a server

3 ISC-3 Peer mode only

4 64 external and 32 internal

5 Available only when carried forward on an upgrade (z9 BC maximums for FICON Express2=80, FICON Express=40)

6 Initial order of Crypto Express2-1P/Crypto Express2 requires 2 features, maximum of 8 features

7 Excludes the standard fixed size of 8 GB HSA; 248 GB maximum

8 One I/O drawer and no Internal Battery Feature (IBF)

9 Four I/O drawers and Internal Battery Feature (IBF)

10 Airflow is designed to increase as the local ambient room temperature increases. Nominal airflow assumes 77°F ambient

11 z/OS R1.7 + zIIP Web Deliverable required for System z10 to enable HiperDispatch on System z10 (does not require a zIIP). z/OS V1.7 support was withdrawn September 30, 2008. The Lifecycle Extension for z/OS V1.7 (5637-A01) makes fee-based corrective service for z/OS V1.7 available through September 2009. With this Lifecycle Extension, z/OS V1.7 supports the z10 BC server. Certain functions and features of the z10 BC server require later releases of z/OS. For a complete list of software support, see the PSP buckets and the Software Requirements section of the System z10 BC announcement letter, dated October 21, 2008.

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Martin Lagerberg

Technical Support

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.


IBM z Systems combine leading-edge innovation and unparalleled capabilities to power cloud, business analytics, mobile applications, and the most important workloads.

Operating Systems

IBM z Systems supports multiple operation systems:

Through its hybrid computing capability, IBM z Systems with IBM z BladeCenter® Extension (zBX) also supports IBM® AIX® on Power, Microsoft Windows® and Linux® on System x®