xREF: System x Reference

Lenovo System x® and BladeCenter® servers and Lenovo Flex System™ compute nodes help to deliver a dynamic infrastructure that provides leadership quality and service that you can trust.

This document (simply known as xREF) is a quick reference guide to the specifications of the currently available models of each System x, NeXtScale, Flex System and BladeCenter server. Each page can be used in a stand-alone format and provides a dense and comprehensive summary of the features of that particular server model. Links to the related Product Guide are also provided for more information.

An easy-to-remember link you can use to share this guide: http://lenovopress.com/xref

Also available is xREF for Products Withdrawn Prior to 2012, a document that contains xREF sheets of System x, BladeCenter, and xSeries servers, and IntelliStation workstations that were withdrawn from marketing prior to 2012.

1. System x
2. NeXtScale System
3. Flex System
4. Partially withdrawn systems
5. Fully withdrawn systems

Changes in 11 September 2017 update

• x3750 M4 (8753) with E5 v2 processors now withdrawn from marketing
• x3100 M5 (5457) with E3 v5 processors now withdrawn from marketing
• x440 with E5 v2 processors now withdrawn from marketing

Related product families

Product families related to this document are the following:

• 1-Socket Rack Servers
• 1-Socket Tower Servers
• 2-Socket Rack Servers
• 2-Socket Tower Servers
• 4-Socket Rack Servers
• 8-Socket Rack Servers
• Blade Chassis
• Blade Servers
• Mission Critical Servers
• Supercomputing Servers