you would only want to consider a second HC in case u want to go for insane OC (high VCore, very high). i don't think that is the objective of a server. if u go for the highest oc on standard VCore, 1 HC will be very ok to go with push pull 5 - 7V.
go dual rad for absolute quiet, but realize that at that time your vga cooler or psu cooler will outdo your quiet rad setup.
if u want one of the above and some l33t bragging rights, go dual.
__________________
yo soy un tiburón
|