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I'll start off got the 140XL, the pump speed is wrong if its showing 6k-7k rpm. I tech support emal and when I told him my pump speeds were going from 7100-6400-6800 he said he'd be happy to exchange the product, but I declined because he said that the "RPM" of the pumps is 1500-2500, so the sensors are wrong. I said my temps are fine and no need to RMA, but thanks anyway. I just saw that they upped the warrantee to 5 years for these coolers.