Lenovo ThinkServer RD630 - Manual (Page 95)

For more information about the memory modules in your specific server model, use the Setup Utility
program. See “Viewing information in the Setup Utility program” on page 55.
For a list of the supported ThinkServer memory module options, go to:
http://www.lenovo.com/thinkserver
Chapter 6 . Installing, removing, or replacing hardware 83