Refurbished IBM Mainframes
Buy, Sell, Lease and Maintain IBM Z.
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Sell & Consign
Service and maintenance for IBM Z series, SystemZ, zEnterprise and Z mainframes.
Why Refurbished IBM Mainframes?
Every mainframe is refurbished to IBM specifications, providing your business with a reliable system at a significant savings over buying new.
Why buy a used mainframe? According to ASCDI, purchasing secondary equipment can see savings of up to 85%.
Our services cover the entire life of your mainframe system, including custom I/O configurations, installation and maintenance. We can also help liquidate your assets through purchase, trade-in or consignment to help recover costs.
The end-to-end solutions we provide will keep your system running smoothly and improve your bottom line.
customer trustearned through value delivered
"...worked closely with Simon Systems for more than twenty years concerning its IBM systems... probably the most knowledgeable and approachable people in the computer hardware industry... attention to detail when either purchasing used equipment or refurbishing equipment is the Gold standard."
"Through the years they've sucessfully provided a variety of services...Simon Systems has demonstrated time and again an ability to react quickly to changing needs and be highly flexible. Through it all, they've always been highly professional."
Specializing in refurbished IBM mainframes
A worldwide leader
As a worldwide leader, Simon Systems feels very strongly about the value of mainframe computing. To that end, we have committed one-hundred percent of our resources to the mainframe market. Service and support is the backbone of Simon Systems’ success. Every day we explore new and better ways to serve our customers and their needs.
ibm parts inventory
Simon Systems carries an extensive inventory of thousands of IBM new, used & refurbished features and parts. All parts are tested before shipment. We guarantee 100% satisfaction, and competitive pricing on all refurbished IBM parts.
Need to match parts to your existing mainframe or server environment?
Request a consultation.
30-day warranty on all parts
No matter where you are in the world, our 30-day warranty guarantees that your features and parts will arrive in working order. From casters to top exit power, and everything in between.
Questions about our warranty? Contact us
About Simon Systems
Doing business domestically & internationally for over 30 years. Simon Systems was incorporated in 1988 as a full service reseller and maintenance provider of refurbished IBM Mainframes and IBM Banking Systems. From the IBM 8100 and IBM s370 to the modern IBM zSeries, zEnterprise and IBM system Z, we are strongly rooted in the IBM Mainframe Server market.
From the start our goal has been to provide the best possible refurbished IBM Mainframe solutions in the world.
IBM mainframes are our specialty. Our inventory and services have benefitted numerous organizations around the world, reducing their IT costs while maintaining a highly reliable system.
Our corporate office, warehouse and technical center is located in the Minneapolis, MN metro area.
We support the IBM tradition
of mainframe stability.
Mainframe sales increased
year over year*
As technology seems to transform businesses and markets overnight, Information Systems must provide the same flexibility and adaptability as the companies they support. Companies must maximize the strengths of the traditional mainframe stability, manageability and performance — while integrating them into the openness and interoperability of distributed networks.
One of the chief challenges of mainstream client/server implementations, is certainly the integration of client/server with the existing network of systems and applications to better enable communications… Simon Systems has the experience and expertise necessary.
* As reported by Fortune in 2016