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Overview

The COUGAR Poseidon Ultra ARGB represents the peak of liquid cooling innovation. Designed for elite performance, it integrates advanced airflow dynamics, next-generation conduction enhancements, and low-noise operation—delivering powerful thermal control with striking ARGB aesthetics. From cutting-edge fan design to an overhauled water block structure, the Poseidon Ultra sets a new standard for high-performance cooling.*Support the latest AMD AM5 and Intel LGA1851 CPU sockets

Cougar Poseidon Ultra 240 ARGB Liquid CPU Cooling System, White

Model: 3MPUL240.0002
Web Code: 19434282
Sold and shipped by | 4.5 seller rating (96 reviews)

Colour: 240 White

Colour 360 White
Colour 360 White

360 White

Colour 240 White
Colour 240 White

240 White

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

•Vortent Fan Technology: Performance Without Compromise: The Poseidon Ultra ARGB’s Vortent radiator fan achieves optimal performance-to-noise balance through:

*Convex fan frame ridges that generate a vortex airflow pattern based on the Coanda Effect—a principle in fluid mechanics that concentrates airflow velocity and pressure toward heat-critical areas

*Grooved impeller paired with an integrated stabilizing ring to reduce turbulence and flex during high-speed rotation

*Corner dampeners that suppress oscillation and vibration for quieter operation

*This advanced fan architecture ensures silent, efficient cooling even under heavy system loads.

•Advanced Water Block Design. Cold Current Engineering: The Poseidon Ultra ARGB’s reengineered water block maximizes heat dissipation and conduction efficiency:

*25% Increase in coolant flow speed, improving heat transport away from the CPU

*28% Increase in cooling fin surface area, enhancing thermal transfer capability

*50% Reduction in copper plate thickness, ensuring faster heat conduction from CPU to liquid interface

*These upgrades deliver consistently lower CPU temperatures with exceptional reliability and performance under sustained loads.

•Compatibility and Control. Next-Gen Socket Support: Fully compatible with the latest AMD AM5 and Intel LGA1851 CPU sockets:

*Includes complete mounting hardware for rapid and straightforward installation

*Motherboard ARGB Sync

*Fully compatible with motherboard ARGB lighting control software, allowing full synchronization of lighting effects across your entire system

•The Poseidon Ultra ARGB is built for enthusiasts, creators, and gamers who demand top-tier thermal performance and whisper-quiet operation in a visually stunning package. With vortex-enhanced airflow, precision-crafted cooling architecture, and next-gen compatibility, it is the definitive solution for high-performance PC builds.

Product Condition
Brand New
Type
CPU Cooling System
CPU Socket Type
Intel LGA1851 / LGA1700 / LGA1200 / LGA115X; AMD: AM5 / AM4 / AM3 / AM2 / FM2 / FM1
Specific Device Compatibility
CPU Socket: Intel LGA1851 / LGA1700 / LGA1200 / LGA115X / AMD AM5 / AM4 / AM3 / AM2 / FM2 / FM1
Compatibility
CPU Socket: Intel LGA1851 / LGA1700 / LGA1200 / LGA115X; AMD: AM5 / AM4 / AM3 / AM2 / FM2 / FM1
Colour
240 White
Material
Plastic/Aluminium Alloy
PC/Mac
PC
Designed For Laptops
No
Bluetooth
No
Designed For Gaming
Yes
Power Supply Requirements
Water Block & Pump: 2.76 W; Fans: 4.44 W (Fan) / 1.75 W (LED)
Remote
No
RGB Lighting
Yes

Dimensions

Width
39.4 cm
Width (Inches)
15.5 in
Height
2.7 cm
Height (Inches)
1.06 in
Depth
12 cm
Depth (Inches)
4.7 in
Weight
2.5 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

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