On Mar 9, 2006, at 9:06 AM, JoaoBR wrote: > Is it worth to migrate e P4-em64t system to amd64 or let it as > i386? In this > case it would be for a DNS server and FTP server. Do you need > 4GB RAM for these services? If no, I see no benefit to running 64-bit for a simple DNS or FTP server. However, if you're doing a new install, then go with 64-bit FreeBSD.