Finding An Affordable Heatsink For A High Wattage CPU In A 4U Chassis

For the past several months I've been using a Scythe Mugen Max heatsink on one of my Core i7 5960X Haswell-E systems. That heatsink has been working out great, but the only problem is that it's too big -- particularly if trying to fit it in a 4U chassis. In needing to cool this 140 Watt CPU while moving the system into a 4U rackmount chassis, I ended up trying out the much cheaper and smaller Freezer i11 from Arctic Cooling.