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Black 240 mm liquid cooler with 3.95 inch IPS LCD block and two 125 mm ARGB fans

COUGAR

COUGAR Poseidon Vistek Pro ARGB 240 liquid cooler

SKU CH-E1J1-9MWHZ

A 240 mm liquid cooler with a 3.95-inch IPS LCD showing real-time system data at 720 × 720 resolution and 60 Hz refresh rate

  • AMD socket supportAM5 / AM4 / AM3 / AM2 / FM2 / FM1
  • Intel socket supportLGA1851 / LGA1700 / LGA1200 / LGA115X / LGA1366
  • Cooling block materialCopper
  • Display type3.95 in (10 cm)
  • Radiator materialAluminum
  • Fan dimensions243.6 × 125 × 25 mm

Model Poseidon Vistek Pro

Color Black

Fan Size 2 Fan Slots 240 mm

  • Real-time system monitoring on a 3.95-inch 720 x 720 IPS LCD at 60 Hz
  • Customise the display with JPG, PNG, GIF or MP4 files via desktop software
  • PWM fans run 700–2500 RPM delivering 78.2 CFM at 38 dB(A)
  • Right-angle UTTERIGHT radiator fins increase surface area for better thermal efficiency
  • Supports AMD AM5 and Intel LGA 1851 sockets

Real-time monitoring display

The COUGAR Poseidon Vistek Pro ARGB 240 is a liquid CPU cooler built around a 3.95 inch IPS TFT LCD that shows live system data at 720 x 720 resolution and 60Hz. It mounts on AMD AM5, AM4, AM3, AM2, FM2 and FM1 sockets as well as Intel LGA1851, LGA1700, LGA1200, LGA115X and LGA1366 platforms. The copper cold plate and aluminium radiator handle heat transfer while ARGB lighting adds visual flair. Builders who need a smaller radiator or a non-LCD block should look elsewhere.

Thermals and acoustics at typical load

Two 125 mm PWM fans spin between 700 and 2500 RPM to push up to 78.2 CFM through the 240 mm radiator. At full speed the fans reach 38 dB(A) while the right-angle UTTERIGHT fins increase surface area for better heat dissipation. The 390 mm tubes give routing flexibility inside mid-tower cases. The 4-pin connectors allow precise speed control from the motherboard. Systems that require silent operation under heavy load may find the peak noise level intrusive.

Sustained load behaviour

Under continuous stress the pump and fans maintain steady flow and pressure thanks to the single-frame PWM design. The LCD continues to refresh real-time temperatures and utilisation at 60Hz without lag. Coolant temperature rises gradually as the aluminium radiator saturates, but the expanded fin geometry delays thermal throttling. Custom JPG, PNG, GIF or MP4 visuals stay visible on screen throughout the session. Workloads that run for many hours at maximum TDP will eventually hit the cooler's heat-rejection limit.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $96.99
Pricier than about 62% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameCOUGAR
Product linePoseidon Vistek
Model namePoseidon Vistek Pro ARGB 240
Part numberCGR-PSDVPRGB-B-240
Product typeLiquid Cooling System
Product colorBlack
Performance
Fan speed700-2,500 RPM
Fan airflow78.2 CFM
Display
Display type3.95 in (10 cm)
Ports & slots
Fan plug type4 Pin
Size & build
Cooling block materialCopper
Radiator materialAluminum
Fan dimensions243.6 × 125 × 25 mm
Tube size390±5 mm
Compatibility
AMD socket supportAM5 / AM4 / AM3 / AM2 / FM2 / FM1
Intel socket supportLGA1851 / LGA1700 / LGA1200 / LGA115X / LGA1366
Environment & compliance
Fan noise level38 dB(A)
More details
LED lightingARGB

Other versions of this model

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Questions about this item

How do I mount the water block on an AMD AM5 socket, and which step do people often miss?

Use the AM5 bracket from the kit, apply thermal paste, then secure the block with the four spring screws in a cross pattern; the step often missed is removing the protective film from the copper cold plate before installation.

What maintenance will this 240 mm liquid cooler need after a few years of use?

The sealed loop requires no coolant refills; plan to dust the aluminum radiator fins and the two 125 mm fans annually, and replace the fans only if bearing noise exceeds the rated 38 dB(A).

At what point does the radiator hit its thermal limit during a sustained heavy load?

The 243.6 x 125 x 25 mm radiator with right-angle contoured fins and 78.2 CFM airflow at 2500 RPM is the first bottleneck; once the coolant saturates the fin stack, temperatures plateau regardless of pump speed.

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