xREF: System x ReferenceReference Information

4 Apr 2017
Form Number
PDF size
218 pages, 4.5 MB


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

Looking for ThinkServer? ThinkServer is covered in our sister publication, PSREF, available from psref.lenovo.com

Also available is xREF for Products Withdrawn Prior to 2012, a document that contains xREF sheets of System x, BladeCenter, and xSeries servers, and IntelliStation workstations that were withdrawn from marketing prior to 2012.

Table of Contents

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 Partially withdrawn systems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 Fully withdrawn systems

Change History

Changes in the April 3 & 4 update:

  • New TopSeller models for North America of the x3650 M5 (8871), page 21
  • New x3250 M6 with E3 v6 processors:
    • “Lenovo System x3250 M6 (3633, E3 v6 - 3 year warranty)” on page 10
    • “Lenovo System x3250 M6 (3943, E3 v6 - 1 year warranty)” on page 12
  • New TopSeller models of the x3250 M6 (E3 v5) for Australian customers, page 7
  • New TopSeller models of the x3550 M5 (8869, E5 v4) for customers in Australia and New Zealand, page 17
  • New TopSeller models of the x3650 M5 (8871, E5 v4) for customers in Australia and New Zealand, page 21
  • Added VMware ESXi 6.5 support statements