best fiting and cooling hsf for msi 875p neo

[welrope9]

 

[welrope9]

sorry. I am looking to buy a hsf for my new neo 875 i am trying to decide between the zalman 7000 or slk900 with tornado fan i need to know which one is better suited for my mb plus will the weight of either of the above be a factor i will not be moving my case often. i will be using the hsf to overclock a p4 2.6