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For cPanel & WHM version 11.50

Overview

Before you install cPanel & WHM or cPanel DNSONLY, make certain that your server's hardware meets all of the minimum requirements for new installations.

Remember:

  • 64-bit operating systems use more RAM than 32-bit systems.
  • CentOS 7 is available for 64-bit systems only.

How to choose a server

When you choose a server, consider the following questions:

  • How many sites do you plan to host?
    Servers that will host a large number of websites with associated email addresses and databases require more processing power, disk space, and RAM.
     
  • What kind of web hosting do you plan to do? 
    While cPanel & WHM can run on the minimum requirements below, servers require more processing power, disk space, and RAM to host videos, music, or high-volume applications.

Hardware requirements

ComponentOSMinimumRecommended
ProcessorAll supported operating systems.226 MHz226 MHz
MemoryCentOS 7

1 GB of RAM

2 GB of RAM or more, for heavily-populated servers.
All other supported operating systems.

768 MB of RAM

1 GB of RAM
Disk SpaceAll supported operating systems.

20 GB of disk space

40 GB of disk space

Note:

The cPanel & WHM installation and upgrade processes require at least 3 GB of additional disk space for staging purposes.