Watercool
Watercool HEATKILLER V PRO for RTX 4090 FE
Best custom cooling solution for high-end gaming enthusiasts.
The Watercool HEATKILLER V PRO is a high-performance water block designed for the NVIDIA RTX 4090 Founders Edition. It effectively manages high power dissipation, up to 450 Watts and beyond, with an overhauled cooling geometry and integrated dual-layer inflow technology. This design ensures optimal heat transfer from the GPU core, GDDR6X RAM, and voltage converters. Featuring a modular base plate with fine fins for increased cooling surface and a symmetrical flow path, it maximizes performance while maintaining high flow rates. The cooler includes a black backplate for improved force distribution and a screwless design with integrated lateral connection threads for a sleek, unified look. It also features modular aRGB lighting that can be customized or disabled.
$249.95
Owner Satisfaction
4.7
/ 5
Category Rank
100
/ 3605
#100 in Computer System Cooling Parts
Price vs Category Average
+66%
Above average
Material coldplate
nickel-plated electrolytic copper
/ nickel-plated electrolytic copper
Who it's for
- Minimalists seeking a sleek, professional aesthetic for their rig
- System builders prioritizing long-term component reliability
- Overclockers pushing their GPU to the absolute limit
Who should skip it
- Budget-conscious shoppers looking for value-oriented cooling solutions
- Users with compact cases or limited internal clearance
- Beginners intimidated by complex custom loop installations
Performance breakdown
Build Quality
Premium nickel-plated copper and stainless steel ensure long-term structural integrity.
Aesthetic Integration
Screwless design and hidden threads create a clean, professional visual profile.
Component Coverage
Comprehensive cooling for GPU core, VRAM, and voltage regulation modules.
Installation Complexity
Requires careful handling typical of high-end custom water cooling components.
Thermal Dissipation
Handles extreme 450W+ loads with exceptional thermal headroom for overclocking.
Flow Efficiency
Symmetrical flow path design minimizes resistance for superior coolant circulation.
Key Specs
Material coldplate
nickel-plated electrolytic copper
Material top
PLEXIGLAS GS
Material cover
annealed stainless steel
Material port terminal
Acetal (POM)
Dimensions
220 x 124 x 32.8mm
Ports
4x G 1/4 Zoll (DIN ISO 228-1)
Allowed up to 1 bar
Compatible with
NVIDIA RTX 4090 Founders Edition
Features
- High-performance base plate for increased cooling capacity
- Selected high-performance thermal pads for GDDR6X RAM
- Dual-layer inflow for improved water distribution
- Symmetrical cooling design for optimized flow
- Design-integrated lateral connection threads
- Screwless design for a clean aesthetic
- Insulating spacers made of high-performance plastic (Peek)
- Modular aRGB lighting with plug-in system
- Optimized for NVIDIA RTX 4090 Founders Edition
- Handles up to 450W+ power dissipation
What customers say
The Watercool HEATKILLER V PRO stands out as a masterpiece of industrial design and precision engineering. Enthusiasts consistently praise the exceptional build quality and the premium feel of the materials used. The sleek aesthetic integrates seamlessly into high end builds while providing a sense of long term reliability. Its thoughtful construction simplifies the installation process for builders who value both form and function. This water block represents a perfect balance of sophisticated style and robust performance for those seeking the very best for their hardware.
Know before you buy
No, the HEATKILLER V PRO is precision-engineered specifically for the NVIDIA RTX 4090 Founders Edition PCB layout. It will not fit aftermarket or custom-designed RTX 4090 cards.
Yes, the package includes the high-performance thermal pads required for the GDDR6X memory and voltage converters, along with the necessary mounting hardware and insulating PEEK spacers.
Yes, the aRGB lighting is modular and uses a plug-in system. You can easily disconnect or remove the lighting module if you prefer a cleaner, non-illuminated aesthetic.
The dual-layer inflow and symmetrical cooling design are engineered to minimize flow resistance. This allows you to maintain high flow rates throughout your loop while still ensuring efficient heat transfer across the GPU core and memory.
The HEATKILLER V PRO is rated for a maximum pressure of 1 bar. It is designed to operate safely within the standard pressure ranges of most custom liquid cooling loops.
Absolutely. The black backplate is designed to improve force distribution across the PCB, which helps prevent warping and ensures consistent contact pressure between the components and the cooling block.
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$250