ARCTIC Liquid Freezer II 360

Overview

The ARCTIC Liquid Freezer II 360 is an all-in-one (AIO) liquid CPU cooler engineered to provide high-efficiency thermal management for modern, high-TDP processors. It is positioned for PC builders and enthusiasts who require robust cooling performance for gaming, content creation, or heavily overclocked systems. The unit features a 360mm aluminum radiator, which offers a substantial surface area for heat dissipation, coupled with three ARCTIC P12 PWM fans designed for static pressure optimization. A distinct design element is the integrated 40mm VRM fan on the pump block, which aims to cool components around the CPU socket, potentially enhancing motherboard longevity and stability under load ARCTIC Liquid Freezer II 360 product page.

This cooler is generally selected for its balance of thermal performance and acoustic output. Reviews often highlight its ability to keep CPU temperatures low even during sustained stress tests, competing with or surpassing the performance of some larger or more expensive AIO units Tom's Hardware Liquid Freezer II 360 review. The P12 fans are known for their quiet operation across a wide RPM range, contributing to a less intrusive computing experience. The Liquid Freezer II 360's thicker radiator design (38mm) compared to many standard 27mm AIO radiators contributes to its enhanced cooling capacity, requiring compatible PC cases with sufficient clearance RTINGS ARCTIC Liquid Freezer II 360 analysis.

The product targets users who prioritize raw cooling efficacy and a potentially quieter system over RGB aesthetics, as the standard model does not include addressable RGB lighting. Its installation process involves mounting the radiator, fans, and pump block, and connecting a single PWM cable from the pump for both pump and fan control, simplifying cable management compared to coolers requiring multiple fan headers. Compatibility extends to a broad range of Intel and AMD sockets, accommodating most mainstream and high-end desktop platforms ARCTIC Liquid Freezer II 360 specifications. The cooler ships with ARCTIC MX-4 thermal paste pre-applied, a common feature across ARCTIC's cooling solutions, known for its non-conductive properties and thermal transfer capabilities.

Key features

• Optimized Pump Design: Features an in-house developed PWM-controlled pump, designed for efficient cooling with lower power consumption and reduced noise levels compared to some competitor pumps Tom's Hardware review of pump efficiency.
• VRM Fan Integration: A 40mm fan is integrated into the pump housing, directly cooling the voltage regulator modules (VRMs) on the motherboard, which can be beneficial during heavy CPU loads or overclocking ARCTIC VRM fan details.
• Pressure-Optimized P12 PWM Fans: Includes three ARCTIC P12 PWM fans, engineered for high static pressure and silent operation across a broad RPM range, suitable for radiator cooling ARCTIC P12 PWM fan features.
• Thick Radiator: Utilizes a 38mm thick radiator, providing a larger volume for coolant and increased surface area for heat exchange compared to conventional 27mm AIO radiators, enhancing cooling performance RTINGS radiator thickness comparison.
• Integrated Cable Management: Fan cables are integrated into the sleeved tubing, simplifying installation and reducing cable clutter within the PC case.
• Pre-Applied MX-4 Thermal Paste: Comes with ARCTIC MX-4 thermal compound pre-applied to the cold plate, ensuring immediate readiness for installation and effective thermal transfer.

Pricing

As of May 2026, the ARCTIC Liquid Freezer II 360 is available through various retailers. Pricing can fluctuate based on region, vendor, and current promotions.

Common integrations

The ARCTIC Liquid Freezer II 360, as a hardware component, does not feature software-based integrations in the manner of peripherals with companion applications. Its interaction is primarily with the PC's motherboard and CPU. Key integration points include:

• Motherboard Fan Headers: The cooler connects to a single 4-pin PWM fan header on the motherboard, through which both the pump and radiator fans are controlled. This allows for unified fan curve management via the motherboard's BIOS or manufacturer-provided utility software (e.g., ASUS AI Suite, Gigabyte SIV, MSI Dragon Center, ASRock Phantom Gaming Tuning).
• CPU Sockets: Compatible with a wide range of Intel and AMD CPU sockets, including Intel LGA1700, LGA1200, LGA115x, LGA2011-3, LGA2066 and AMD AM5, AM4 ARCTIC Socket Compatibility. This ensures broad platform support for both current-generation and recent past-generation CPUs.
• PC Case Compatibility: Requires a PC case that supports a 360mm radiator mount, typically in the front or top panel, with sufficient clearance for the radiator's 38mm thickness and fan mounting. Users should consult their case manufacturer's specifications for radiator support.

Alternatives

• Corsair iCUE H150i ELITE CAPELLIX XT: A 360mm AIO known for its strong cooling performance, extensive RGB lighting customization via iCUE software, and generally competitive noise levels Corsair H150i ELITE CAPELLIX XT product page.
• NZXT Kraken Z73 RGB: A premium 360mm AIO featuring a customizable LCD screen on the pump block for displaying system info or custom images, managed via NZXT CAM software, offering both aesthetics and cooling performance.
• Cooler Master MasterLiquid ML360R RGB: A 360mm AIO that provides reliable cooling and extensive addressable RGB lighting on both the fans and pump, controlled through a wired controller or motherboard SYNC software.
• Lian Li Galahad II Trinity SL-INF 360: A performance-oriented AIO with a focus on aesthetics, featuring Lian Li's Uni Fan SL-INF fans and customizable pump block designs.
• DeepCool LT720: Offers competitive cooling performance at a potentially lower price point, utilizing a unique geometric mirror pump design and high-performance fans.

Getting started

Getting started with the ARCTIC Liquid Freezer II 360 involves physical installation into a compatible PC case and connecting it to the motherboard. No software programming is involved, as it is a hardware component. The primary configuration happens within the motherboard's BIOS or UEFI settings for fan curve control.

Below is an illustrative example of configuring a fan curve in a hypothetical motherboard BIOS, focusing on the CPU temperature as the primary control input. Actual BIOS interfaces vary by motherboard manufacturer.

# Hypothetical Fan Curve Configuration (within BIOS/UEFI)

1.  **Access BIOS/UEFI:** Restart your PC and repeatedly press the designated key (e.g., DEL, F2, F10) during boot-up.

2.  **Navigate to Fan Control:** Look for sections like "Monitor," "Hardware Monitor," "Smart Fan Control," or "Q-Fan Control."

3.  **Identify CPU_FAN Header:** Locate the fan header to which the ARCTIC Liquid Freezer II 360's single PWM cable is connected (typically labeled CPU_FAN).

4.  **Set Control Mode:** Change the control mode for CPU_FAN to "PWM" or "Smart Fan."

5.  **Configure Fan Curve:** Define fan speed percentages based on CPU temperature thresholds.
    *   **Example Curve Points:**
        *   30°C: 20% Fan Speed
        *   45°C: 40% Fan Speed
        *   60°C: 70% Fan Speed
        *   75°C: 100% Fan Speed

6.  **Save and Exit:** Save your BIOS settings and exit to reboot your system.

# Installation Steps Summary:
1.  Mount radiator with fans to case (e.g., front or top 360mm mount).
2.  Install CPU mounting bracket to motherboard.
3.  Apply thermal paste (if not pre-applied, though LFII comes with it).
4.  Mount pump block onto CPU.
5.  Connect the single 4-pin PWM cable from the pump to the motherboard's CPU_FAN header.
6.  Route tubing and cables for optimal airflow and aesthetics.