Scythe has really made a name for themselves in the DIY PC cooling market since being founded back in 2002. Over the years they have had some really great CPU coolers, many which we have reviewed. The Ninja series has primarily been reserved for the top of the line coolers from Scythe and the cooler we have on the review block today definitely fits that bill. It is the Ninja 4, which is the 4th major revision of the famous Ninja cooler. This very large CPU cooler features 4 heatsink stacks, 6 heatpipes, and a 120 mm cooling fan. Can it compete with some of the other larger CPU coolers out there? Read on as we find out!