I've got it !!
But problems begins ..
* In first, I choose a low profile Zalman (CNPS-8700NT) but with a large air flow to cool also the chipset heatsink but it's very very just. The is no space at all beetwen Zalman and NB heatsink as you can see on photos. It's probably possible to file it a little bit if necessary ...
Anyway, I can't recommend these two pieces together, it's to short
Furthermore, if the PC case is near the edge of MB, it can be a problem also. I should receive mine soon, I hope it will be ok
* The second problem is my fault. When I was manipulating the MB, I heard and felt noise : the heatsink on the chipset was unsticked. So I removed it : it's fixed by a king of glue (plus 2 metal bolts). So I clean the chipset and put a piece of thermal glue on it. I hope it will be efficient enough compared to the inital configuration (I hope to be clear ...