The company reported its highest annual revenue for zSystems units in two decades coupled with record growth in software revenue for the 2025 fiscal year.

The mainframe business is thriving.

IBM's Z mainframe business has achieved the highest annual revenue with its latest generation for the past 20 years.

IBM sold off large portions of its hardware businessin 2014. The company no longer sells the Intel-based servers that dominate the data center, and it no longer manufactures its own processors.

When the next generation of IBM mainframe, the z17, makes its anticipated summer debut, it will be outfitted with multiple technologies aimed at making the Big Iron mainframe the ultimate AI server.

IBM has dominated the mainframe computer business since the category was created four decades ago. And it still gets about one-quarter of its $100 billion in annual revenue from sales, software, ...

Following is the IBM mainframe evolution starting with the System/360 introduced in 1964. The IBM mainframe is the longest running computer family in history. Although current IBM mainframes are ...

Mainframes and AI? Isn't that something like a Model-T Ford with a Tesla motor? Actually, no. Mainframes are as relevant in 2022 as they were in the 1960s. IBM's new IBM z16, with its integrated ...

Listserv, the software used to run countless e-mail discussion groups on the Internet, once again is available for IBM mainframes by way of the Linux operating system, Listserv seller L-Soft said ...

I look back at my mainframe days very fondly. Hired to be a GIS code monkey on VM/SP, I would up also managing our machine, applying PUTs and even performing the upgade from VM/SP 5 to VM/SP 6--heady ...

IBM took the wraps off a new mainframe computer on Tuesday, promising it will help customers to detect more fraud in real time and plow through billions of transactions generated each day by ...

A non-IBM mainframe that runs IBM mainframe operating systems and applications. In the late 1960s, RCA's computer division produced the Spectra 70, the first line of machines compatible with IBM's ...