Any size server and any version web host manager with fully custom options to make a server more reliable and working efficient with a best performance for the websites on server.
On a centos platform with a good load average I can manage heavy traffic websites easily. as you can see this is full top admin access root whm on a server.
I can trace every single process and file with their load and can manage them on server in details with an understanding of ssh access.
Performance optimized for each website and server with different needs and its very own custom Apache installations.
