All-in-one CPU liquid cooler Cougar Poseidon Vistek 240, ARGB, 240mm radiator, 120mm fans, 700–2500 RPM, black

The Cougar Poseidon Vistek 240 is an all-in-one CPU liquid cooler with a 240 mm radiator, ARGB lighting and a 1.9-inch digital display for real-time system monitoring. It includes two 120 mm PWM fans with a speed range of 700–2500 RPM and a maximum air pressure of 5.4 mmH2O. Designed for efficient heat dissipation in gaming and workstation builds, the cooler supports a wide range of Intel and AMD sockets and features a rotatable pump head for flexible display orientation.

Advantages

The integrated 1.9-inch display provides continuous readouts of CPU temperature, fan RPM and CPU TDP wattage, allowing immediate insight into system performance. Single-frame PWM fans simplify multi-fan wiring while enabling precise speed control, near-silent operation and synchronized ARGB lighting. The radiator uses right-angle contoured UTTERIGHT fins to increase heat transfer surface area and improve thermal efficiency over conventional fin designs. The rotatable pump head permits 360° alignment of the display for tidy integration into different case layouts.

Suitable for

• Gaming desktops requiring efficient CPU cooling
• Workstation builds with sustained CPU load
• PC builds where ARGB lighting and a small display are desired
• Systems using Intel or AMD mainstream sockets listed in specifications

Key specifications

• Product type: All-in-one liquid cooler
• Radiator: 240 mm
• Fans: 120 mm PWM, 700–2500 RPM
• Maximum air pressure: 5.4 mmH2O
• Noise level indicator: up to 38 dB
• Airflow: 78.2 CFM
• Display: 1.9-inch digital display (CPU temperature, fan RPM, CPU TDP wattage)
• Supported sockets: Intel LGA1851, LGA1700, LGA1200, LGA1150/1151/1155/1156 and AMD Socket AM5/AM4/AM3/FM2/FM1 (see manufacturer list)
• Dimensions (radiator): 243.6 x 125 x 25 mm
• Colour: Black

How to use

Install the radiator in a compatible case mounting position and secure it with the supplied screws. Mount the 120 mm fans onto the radiator, connect fan PWM cables to the pump header or motherboard fan headers as recommended, and route the ARGB connector to a supported controller or motherboard ARGB header. Fit the pump block onto the CPU using the appropriate bracket for your socket, apply thermal paste if not pre-applied, and tighten the retention screws evenly. Power on the system and verify the 1.9-inch display shows CPU temperature, fan RPM and CPU TDP readings.

Recommendations

For optimal cooling performance, ensure good case airflow with intake and exhaust fans, keep radiator fins free of dust, and use the motherboard BIOS or a fan-control utility to configure PWM curves for a balance between noise and temperature control.