IBM System z10 Enterprise Class

Processor core types: CP/IFL/ICF/zAAP1/zIIP1
Model Minimum Maximum Increments
E12 1/1/1/0/0 12/12/12/6/6 1/1/1/1/1
E26 1/1/1/0/0 26/26/16/13/13 1/1/1/1/1
E40 1/1/1/0/0 40/40/16/20/20 1/1/1/1/1
E56 1/1/1/0/0 56/56/16/28/28 1/1/1/1/1
E64 1/1/1/0/0 64/64/16/32/32 1/1/1/1/1
Coupling Links
ISC-32 48
IC 32
ICB-43 16
Maximum # Links 644
InfiniBand Coupling Links 32
Minimum: 0/0/0/0/0/0/0 ESCON/FICON Express8/FICON Express4/FICON Express25/FICON Express5/OSA-Express3/OSA-Express2
Maximum: 1024/336/336/336/120/96:48/48 ESCON/FICON Express8/FICON Express4/FICON Express25/FICON Express5/OSA-Express3/OSA-Express2
Increments: 4/4/4/4/2/4/2/2/1 ESCON/FICON Express8/FICON Express4/FICON Express25/FICON Express5/OSA-Express3 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
Processor Memory
Model Minimum Maximum7
E12 16 GB 3848 GB
E26 16 GB 752 GB
E40 16 GB 1136 GB
E56 16 GB 1520 GB
E64 16 GB 1520 GB
Upgradeability Upgradeable within the z10 EC family

Upgrading to the E64 from other z10 EC models will require a planned outage

Upgradeable from IBM System z9 Enterprise Class (z9 EC) and IBM eServer™ zSeries® 990 (z990)
Physical Configuration Model E12, minimum9 Model E64, maximum10
Weight 1248 kg (2807 lbs) 2271 kg (5110 lbs)
Footprint 2.83 Sq meters (30.44 Sq ft) 2.83 Sq meters (30.44 Sq ft)
Service 5.73 Sq meters (61.60 Sq ft) 5.73 Sq meters (61.60 Sq ft)
Input 9.7 kW 27.5 kW
Heat 33.1 KBTU/hr 93.8 KBTU/hr
Air Flow Nominal11 CFM 1155 m3/m CFM 2465, m3/m
Height 201.32 cm (79.26 inches) 201.32 cm (79.26 inches)
General Conforms to EIA guidelines for frames
Supported Operating Systems
z/OS: z/OS V1.9 and subsequent releases
z/VM: z/VM 5.3 and subsequent releases
Linux on System z: Red Hat Enterprise Linux (RHEL) 4 and subsequent releases, SUSE Linux Enterprise Server (SLES) 9 and subsequent releases, Linux as z/VM guest
z/VSE: z/VSE V4.1 and subsequent releases
TPF: TPF 4.1
z/TPF: z/TPF 1.1

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IBM provides world-class IBM mainframe technology to help today's enterprises respond quickly to evolving business conditions and with extreme flexibility. From automation to advanced virtualization technologies and open industry standards, IBM mainframes help deliver competitive advantages for enterprises contributing and succeeding on a smarter planet.

Operating Systems

IBM System z supports multiple operation systems:


IBM's technology, solutions and industry expertise can help you find the competitive edge with a sharper understanding of your customers. Our System z solutions combine the foundation of IBM hardware, software and middleware with flexible financing and packaging options to help your business meet and overcome the challenges of doing business in the on demand world. IBM can help you develop a customer-centric view—and assist you in delivering the right solution and the right products.