On a virtual-server it really doesnt matter usually you need 64bit to use more than 4 gb of ram but on a virtual server even 32bit can say use 12 gb of ram

How ever some programs/scripts require 64 bit
DLow Reviewed by DLow on . Advantages of a 64 bit CentOS? I use my vps primarily for uploading, what are advatages of using a 64bit CentOS? Will raring files get faster? etc. Rating: 5