xREF: System x ReferenceReference Information

28 Feb 2017
Form Number
PDF size
214 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Also available is xREF for Products Withdrawn Prior to 2012, a document that contains xREF sheets of System x, BladeCenter, and xSeries servers, and IntelliStation workstations that were withdrawn from marketing prior to 2012.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 Partially withdrawn systems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 Fully withdrawn systems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 February 28 update:

  • New x240 M5 models 9532-43G and 9532-53G for EMEA countries, page 49
  • Updated storage maximums with the support of 3.84 TB and 7.68 TB Enterprise Capacity 2.5-inch SSDs:
    • x3550 M5 (E5 v4)
    • x3650 M5 (E5 v4)
    • x3850 X6 (E7 v4)
    • x3950 X6 (E7 v4)
    • nx360 M5 (E5 v4)
    • sd350
    • x240 M5 (E5 v4)