Hardware recommended for Haproxy?

[matrix200]

Hi all,
We want to setup a pfsense with Haproxy for http/s load balancing on a dual 10/mbit (inside a hosting facility).
What are the recommended CPU/RAM req's for this?
I would like of course to have a passively cooled device is possible which means Atom , but I suppose it won't be enough?
I tried multiple googling passes over haproxy hardware sizing guide and came up with nothing :(
Any advice?

[marcelloc]

haproxy is lightweight, but it will depend on your traffic.

[matrix200]

Thanks for the reply

I am thinking ~50000 http requests/s
Would an atom be enough for that?

[marcelloc]

Take a look on this doc

http://doc.pfsense.org/index.php/Hardware_requirements