https://www.alibaba.com/product-detail/500w-passive-heat-sink-lm561c-samsung_60814740044.html?spm=a2700.icbuShop.41413.28.5bd51c280Gq0Z What's everyones opinion on this QB in a 3x3x6.5 tent? Will it fit in a 3x3, also the custom fees, how do i know how much its gonna be??