Koolance ALR-4600A Liquid Cooling System, 4600W, External Unit

For high-performance PC builders, workstation users, and server administrators who need reliable thermal management for demanding components, the Koolance ALR-4600A provides a powerful external liquid cooling solution. This standalone unit delivers 4600W of cooling capacity, making it suitable for overclocked CPUs, multi-GPU setups, and rack-mounted systems where internal space is limited.

Key specifications

• Cooling capacity: 4600W (4.6kW)
• Integrated PMP-400 series pump
• Maximum flow rate: 400 LPH (1.7 GPM)
• 2.0-liter reservoir capacity
• High-performance copper radiator
• 4x 120mm fans
• Compatible with 1/2" (13mm) ID tubing
• Quick disconnects included (Koolance QD3 series compatible)
• Power input: 100-240VAC, 50/60Hz
• Aluminum chassis
• Digital temperature display
• Adjustable fan speed, flow rate sensor, alarm system
• G 1/4" port threading

Why choose it

The ALR-4600A offers exceptional cooling performance in an external form factor, freeing up internal case space and reducing system heat buildup. Its digital display and alarm system provide real-time monitoring and protection against low fluid levels or high temperatures, ensuring long-term reliability for critical systems.

Ideal use cases

• Overclocked gaming PCs and workstations
• Multi-GPU rendering or compute systems
• Servers and rack-mounted equipment
• Environments where internal liquid cooling is impractical

Good to know

The unit is designed for use with PC liquid cooling coolants and features quick disconnects for easy maintenance. Its variable fan speed allows users to balance cooling performance and noise levels according to their needs.