NZXT Kraken X73 & Z63 AIO CPU Cooler Review

1. Introduction2. Unboxing and First Look3. Installation Process4. Testing Methodology: Thermals/Acoustics5. Performance and Comparisons6. Closing Thoughts7. View All Pages

Thermal Performance: 100% fan/pump RPM

In terms of raw thermal performance with the fans and pump speed cranked up to the maximum RPM, the NZXT Kraken X-3 and Z-3 coolers are simply the best we have tested to date. If noise output is not an issue for you then both the X-3 and Z-3 are seriously worth considering. As the CPU frequency is raised the raw thermal performance of the NZXT Kraken X-3 and Z-3 become apparent.

Thermal Performance: Noise normalised (40dBA)

The high thermal performance of the NZXT Kraken X-3 and Z-3 coolers continues during our new noise normalised test. With all coolers set to a noise output level of 40dBA, once again the Kraken X-3 and Z-3 are clear winners, which proves that the thermal efficiency of the cooler as a whole is excellent.

Acoustic Performance: Maximum noise levels

With the fans running at their maximum speed of 1800-2000RPM, the NXZT Kraken X73 and Z63 are on par with similar high-performance all-in-one coolers. Noise output at this RPM is noticeable but not too distracting. As we have seen from the noise normalised thermal performance test, fan speed can be adjusted down and the coolers still provide excellent performance.

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