Introduction
The NZXT Kraken Z73 is an all-in-one liquid cooler designed to provide efficient cooling for your CPU while offering extensive customization options through its integrated LCD display. This manual will guide you through the installation, operation, and maintenance of your Kraken Z73 to ensure optimal performance and longevity.
Package Contents
Verify that all components are present in your package:
- Kraken Z73 Liquid Cooler (Radiator, Pump with LCD Display, Tubing)
- Aer P120 Fans (3x for 360mm model)
- Mounting Hardware for Intel and AMD Sockets
- USB Cable
- Fan Splitter Cables
- Installation Guide
Setup and Installation
Proper installation is crucial for the performance of your liquid cooler. Please follow these general steps. Refer to the detailed installation guide included in your package for specific instructions for your CPU socket type.
Compatibility
The Kraken Z73 is compatible with the following CPU sockets:
- Intel Sockets: LGA 1151, 1150, 1155, 1156, 1366, 2011, 2011-3, 2066
- AMD Sockets: AM4, TR4 (TR4 bracket not included, sold separately)
Installation Steps
- Prepare Motherboard: Install the appropriate backplate and standoffs for your CPU socket.
- Mount Radiator: Secure the radiator and fans to your PC case. Ensure proper airflow direction.
- Install Pump: Apply thermal paste to the CPU (if not pre-applied on the pump) and carefully place the pump onto the CPU, securing it with the provided screws. The pump can be rotated to align the LCD display as desired.
- Connect Cables: Connect the pump's USB cable to an available USB 2.0 header on your motherboard. Connect the pump's power cable to a SATA power connector. Connect the fans to the fan splitter cable, then to the pump, or directly to motherboard fan headers.

Image: The NZXT Kraken Z73 radiator and pump head, showing the main components of the liquid cooler.

Image: The NZXT Kraken Z73 radiator with its three Aer P120 fans installed, ready for mounting in a PC case.

Image: The NZXT Kraken Z73 liquid cooler installed within a computer case, showcasing its integration with other PC components.
Operating Instructions
Once installed, the Kraken Z73 operates automatically to cool your CPU. The primary interaction point for customization and monitoring is the NZXT CAM software.
NZXT CAM Software
Download and install the NZXT CAM software from the official NZXT website. CAM allows you to:
- Customize LCD Display: Upload custom images, animated GIFs, or display real-time system information such as CPU/GPU temperatures, clock speeds, and more.
- Control Fan Speeds: Adjust fan curves to balance cooling performance and noise levels.
- Monitor System Performance: Keep track of various system metrics to ensure stable operation.

Image: A close-up of the NZXT Kraken Z73's LCD display, showing real-time CPU and GPU temperature readings.

Image: The NZXT Kraken Z73's LCD display showcasing a custom rocket icon, demonstrating its personalization capabilities.
Maintenance
The NZXT Kraken Z73 is designed for low maintenance. Regular checks can help ensure its longevity and performance.
- Dust Removal: Periodically clean dust from the radiator fins and fans using compressed air. Ensure the system is powered off before cleaning.
- Cable Management: Ensure all cables are securely connected and not obstructing airflow.
- Software Updates: Keep the NZXT CAM software updated to benefit from the latest features and performance optimizations.
Troubleshooting
If you encounter issues with your Kraken Z73, consider the following general troubleshooting steps:
- No Power/Display: Check all power connections to the pump and fans. Ensure the USB cable is securely connected to the motherboard.
- High Temperatures: Verify that the pump is properly seated on the CPU and that thermal paste is adequately applied. Check fan connections and ensure they are spinning. Confirm radiator is free of dust.
- Software Issues: Restart the NZXT CAM software or reinstall it if problems persist. Ensure your operating system and drivers are up to date.
For more complex issues, please refer to the NZXT support website or contact their customer service.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 4.72"L x 4.72"W x 1.02"H |
| Brand | NZXT |
| Power Connector Type | 4-Pin |
| Voltage | 12 Volts |
| Wattage | 3.6 watts |
| Cooling Method | Liquid |
| Compatible Devices | Intel Socket LGA 1151, 1150, 1155, 1156, 1366, 2011, 2011-3, 2066, AMD AM4, TR4 (bracket not included) |
| Noise Level | 21 Decibels |
| Material | Aluminum, Plastic |
| Maximum Rotational Speed | 2800 RPM |
| Item Weight | 4.55 Pounds |
| Unit Count | 1.0 Count |
Warranty and Support
The NZXT Kraken Z73 Liquid Cooler is backed by a 6-year warranty. For warranty claims, technical support, or further assistance, please visit the official NZXT support website or contact their customer service department. Keep your proof of purchase for warranty validation.