System Requirements for Control Panels
For the correct functioning of server control panels, their manufacturers provide the minimum technical requirements:
| 
 | Minimum hardware requirements | Supported OS versions | 
| ISPmanager 5 Lite | 64-bit architecture 
 CPU 226 MHz 1 core 768 Mb RAM 10 Gb HDD | CentOS 6, 7 (recommended) Debian 7, 8, 9 Ubuntu 14.04 LTS, 16.04 
 | 
| ISPmanager 5 Business | 64-bit architecture 
 CPU 2,4 GGz, 16 cores 32 Gb RAM 1 Tb HDD | CentOS 6, 7 (recommended) Debian 7, 8 Conversion to CloudLinux is possible for versions 6, 7 | 
| VestaCP | 32/64-bit architecture 
 RAM 512 Mb HDD 20 Gb CPU 1 Ghz 
 | RHEL / CentOS 5, 6, 7 Debian 7, 8, 9 Ubuntu 12.04 - 17.04 
 | 
| DirectAdmin | 32/64-bit architecture 
 RAM 1 Gb + swap HDD 2 Gb free space CPU 500 Mhz 
 | CloudLinux (recommended) 5.x 32/64-bit, 6.x 32/64-bit, 7.x 64-bit RedHat Enterprise / CentOS 5.x 32/64-bit, 6.x 32/64-bit, 7.x 64-bit Debian 7.x 32/64-bit, 8.x 64-bit, , 9.x 64-bit Ubuntu FreeBSD 9.x 32/64-bit (9 may require an exim recompile), 11.x 64-bit BETA | 
| CWP (CentOS Web Panel) | 32/64-bit architecture 
 32-bit OS - 512 MB RAM 64-bit OS - 1024 MB RAM 
 | CentOS 6.x 32/64-bit, 7.x 64-bit | 
It is recommended to choose a plan with at least 1 GB of RAM. This is necessary for the stable operation of the panel and your projects located on the VPS.
If you have any questions, please create a ticket to technical support.