Antec Kuhler H2O K120 120mm Radiator - Single LED Fan

Overview

The Antec Kühler H2O K120 is a compact 120mm all-in-one (AIO) liquid cooler designed for efficient and reliable cooling. It features a high-performance 120mm radiator, a single LED fan, and a durable, low-profile pump for optimal heat dissipation. This closed-loop liquid cooler is ideal for gaming rigs, workstations, and small form factor builds, providing quiet and maintenance-free operation.

How to Use / Install

To install the Antec Kühler H2O K120, follow these steps:

  • Unbox the Cooler – Includes 120mm radiator, LED fan, pump unit, mounting brackets, thermal paste, and installation guide.
  • Prepare the CPU & Socket – Remove any existing cooler and clean the CPU surface.
  • Attach the Backplate – Secure the correct mounting bracket for your Intel or AMD motherboard.
  • Install the Radiator – Mount the 120mm radiator inside the case, usually at the rear or top exhaust position.
  • Secure the Pump Block – Align the cold plate with the CPU and tighten the mounting screws evenly.
  • Connect the Fan & Pump
    • Plug the 4-pin PWM fan connector into the CPU fan header.
    • Connect the pump power cable to the motherboard or power supply.
  • Power On & Test – Boot the system and monitor CPU temperatures to ensure effective cooling.

Type of Services / Warranty Available

The Antec Kühler H2O K120 includes:

  • Standard Manufacturer Warranty – Covers pump and fan defects.
  • Retailer-Specific Extended Warranty – Some retailers may offer additional protection plans.

Main Difference Between Available Services

  • Standard Manufacturer Warranty – Covers defects in components and cooling performance.
  • Extended Warranty (If Available) – Offers longer coverage and possible replacements.

10 Key Features of Antec Kühler H2O K120

  • Compact 120mm Radiator – Ideal for smaller PC cases and space-saving builds.
  • Single High-Performance LED Fan – Provides efficient airflow with stylish LED lighting.
  • Low-Profile Pump DesignQuiet operation with optimized coolant flow.
  • Closed-Loop AIO CoolingNo maintenance required, ensuring long-term reliability.
  • Universal Socket Compatibility – Supports Intel & AMD sockets, including AM5 & LGA1700.
  • Enhanced Thermal PerformanceOptimized copper cold plate for fast heat transfer.
  • Durable Leak-Proof TubingHigh-quality tubing for improved longevity and flexibility.
  • Silent OperationLow-noise fan and pump for near-silent cooling performance.
  • Easy InstallationPre-assembled and ready-to-install system for hassle-free setup.
  • Reliable Warranty Support – Backed by Antec’s trusted customer service.

Competitor Products

  • Cooler Master MasterLiquid ML120L V2 RGB – A 120mm AIO cooler with RGB lighting and optimized noise levels.
  • DeepCool LT120 WH – Features high-efficiency cooling with a white LED aesthetic.

 

The Antec Kühler H2O K120 120mm Radiator - Single LED Fan is a great choice for compact builds, offering efficient cooling, stylish LED lighting, and quiet operation.