NZXT launched its new Kraken Z-3 and X-3 AIO cooler series earlier this year and since then we have had numerous requests to see how the new all-in-one closed-loop CPU coolers perform on our test bench. The time has now come and we have both the X73 360mm and Z63 280mm coolers here ready to be put through their paces in our series of thermal performance tests. So just how will the Z63 and X73 perform? Let’s find out.