EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block, D-RGB, Plexi
4.6Editor score
Optimized open split-flow design
CNC-machined cast acrylic top
Complete thermal solution included
In this guide
Choosing the right liquid cooling solution is critical for high-performance systems. Ek Waterblocks offer premium engineering for both CPUs and GPUs, ensuring stable thermals during intense workloads.
We evaluated ten top-tier products based on cooling efficiency, build quality, and compatibility. Each item was assessed for its design, thermal performance, and integration capabilities with modern motherboards.
Every pick highlights specific strengths like RGB sync or split-flow designs. Note that prices and availability may fluctuate, so verify details before purchasing to ensure the best fit for your build.
Top 3 Picks for Best Ek Waterblocks for Nvidia
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block, D-RGB, Plexi
4.5Editor score
Enhanced cooling engine
Full-coverage cooling solution
EK-Matrix7 compatible
EKWB EK-Quantum Velocity 3 CPU Water Block, 1700/1851/AM5, Plexi
4.6Editor score
Optimized internal geometry
Nickel-plated copper cold plate
Up to 2 degrees C improvement
Top 10 Best Ek Waterblocks for Nvidia in 2026 Compared
This side-by-side comparison highlights the key specifications and features of ten leading waterblocks. It helps you identify the right fit for your specific hardware and aesthetic preferences quickly.
ProductsSpecificationsEditor scorePrice
Best Budget
EKWB EK-Quantum Velocity 3 CPU Water Block
Intel 1700/1851, AM5
Nickel-plated copper cold plate
69 x 69 x 25.1mm
High-performance thermal efficiency
4.6Editor score
Editor's Choice
EKWB EK-Quantum Velocity 2 CPU Water Block D-RGB
Intel LGA 1700
Next-generation cooling engine
D-RGB lighting compatible
Includes Thermal Grizzly paste
Editor's Choice
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
RTX 5090 Master/Gaming OC
Optimized open split-flow
CNC-machined acrylic top
Active and passive cooling
4.6Editor score
EKWB EK-Quantum Velocity 2 CPU Water Block AM5
AMD AM5 socket
Digital RGB lighting
99.99% pure copper
89×113.5x34mm dimensions
5.0Editor score
EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block
ASUS TUF RTX 5080
Open split-flow design
Black anodized backplate
12 addressable RGB LEDs
4.5Editor score
EK Water Blocks EK-Quantum Surface S120
Schwarz finish
Standard 120mm size
High-density copper fins
Efficient heat dissipation
5.0Editor score
EK Water Blocks EK-Quantum Surface X360M
Schwarz finish
58mm thick design
Sixteen 2mm copper tubes
High airflow resistance
4.3Editor score
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block
ASUS ROG Astral RTX 5080
Open split-flow engine
Full-coverage L-shaped backplate
14 addressable RGB LEDs
4.5Editor score
EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir
Flat-shaped reservoir design
Nine G1/4 ports
Digital RGB lighting
225ml capacity
3.0Editor score
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block
ASUS ROG Astral RTX 5090
Enhanced cooling engine
Full-coverage cooling solution
EK-Matrix7 compatible
4.5Editor score
1. EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block – Best Premium Cooling
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
Nickel-plated electrolytic copper
Optimized open split-flow
Active GPU core cooling
Full-coverage backplate
This GPU water block stands out as a top-tier solution for high-end graphics cards. It features a next-generation cooling engine designed for specific models like the RTX 5090 Master. The build quality is exceptional, using premium materials for durability and efficiency.
Pros
- Superior thermal performance
- CNC-machined acrylic top
- Comprehensive cooling coverage
- High-quality construction
- Seamless RGB integration
Cons
- High price point
- Specific GPU model fit
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The cooling engine utilizes an optimized open split-flow design with an expanded fin array. This ensures superior thermal performance even under heavy gaming or rendering loads. The nickel-plated copper coldplate maximizes heat transfer from the GPU core, VRAM, and power stages effectively.
While it offers comprehensive cooling, the design is specific to certain Gigabyte models. This limits its universality but ensures a perfect fit where intended. The backplate passively cools PCB hotspots, which is a significant advantage for stability.
This block is ideal for enthusiasts seeking top-tier cooling for their RTX 5090. The investment is justified by the performance and build quality. It remains a strong recommendation for those prioritizing thermals and aesthetics in a custom loop.
Advanced Cooling Engine Design
The open split-flow design with expanded fins optimizes coolant paths for maximum heat dissipation under load.
Premium Material Construction
Nickel-plated copper and CNC-machined acrylic ensure both thermal efficiency and crystal-clear coolant visibility.
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2. EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block – Advanced Cooling Engine
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block
Precision-engineered cooling
Enhanced coolant flow paths
Full-coverage L-shaped backplate
EK-Matrix7 compatible
This water block is custom designed for the ASUS ROG Astral GeForce RTX 5090 graphics cards. It features an optimized cooling engine that ensures maximum heat dissipation. The construction is premium, focusing on both performance and structural integrity.
Pros
- Custom fit for ASUS ROG
- Superior thermal conductivity
- Enhanced structural integrity
- Straightforward tube routing
- Addressable D-RGB lighting
Cons
- High cost
- Limited to specific models
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The cooling engine includes an expanded fin array and enhanced coolant flow paths. These features work together to maintain low hydraulic restriction while actively cooling the GPU core and VRAM. The backplate passively cools PCB hotspots for comprehensive management.
Integration is simplified through EK-Matrix7 standardization, which aids in loop planning. This allows for seamless integration with other EK-Quantum components like distribution plates. The routing options support both vertical and horizontal mounting configurations.
It is an excellent choice for users building a high-end ASUS-based system. The custom fit and advanced cooling features justify the investment. It delivers on performance and aesthetics, making it a top recommendation for serious builders.
Custom Precision Engineering
Designed exclusively for ASUS ROG Astral RTX 5090 cards for perfect fitment and maximum thermal efficiency.
EK-Matrix7 Standardization
Simplifies loop planning and tube routing for a cleaner and more organized custom cooling build.
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3. EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block – Top Performance Choice
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
Compatible with Gigabyte RTX 5090
Optimized open split-flow
Complete thermal solution
D-RGB lighting support
This GPU water block is engineered for top-tier performance on Gigabyte RTX 5090 models. It combines an advanced cooling engine with premium construction materials for reliability. The design supports both active and passive cooling for comprehensive thermal management.
Pros
- Excellent thermal performance
- High-quality materials
- Complete solution included
- D-RGB lighting options
- Passive backplate cooling
Cons
- Expensive
- Specific model compatibility
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The open split-flow design with an expanded fin array ensures efficient heat transfer. Active cooling covers the GPU core, VRAM, and power stages effectively. The full-coverage backplate with L-shaped profile passively dissipates heat from critical PCB components.
Installation is eased by pre-cut high-performance thermal pads included in the package. This reduces the complexity of setup while ensuring optimal contact between components. The D-RGB lighting allows for customizable effects synchronized with motherboard technologies.
For those seeking the best cooling for their Gigabyte RTX 5090, this block is a standout option. The price reflects the high-end materials and performance. It is recommended for enthusiasts who demand maximum stability and aesthetic integration.
Optimized Thermal Paths
Enhanced coolant flow paths and fin arrays deliver superior performance under heavy loads like gaming or rendering.
Integrated Lighting and Support
Features 13 addressable D-RGB LEDs and EK-Matrix7 support for seamless system integration and visual appeal.
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4. EKWB EK-Quantum Velocity 3 CPU Water Block – Top Thermal Efficiency
EKWB EK-Quantum Velocity 3 CPU Water Block
Optimized internal geometry
Nickel-plated copper cold plate
2 degrees C improvement
1700/1851/AM5 support
This CPU water block is designed for high-performance cooling on modern platforms. It offers optimized internal geometry to ensure maximum heat transfer efficiency. The build includes a nickel-plated copper cold plate for superior conductivity and durability.
Pros
- High-performance design
- Precise mounting pressure
- Superior thermal conductivity
- Wide socket support
- Compact dimensions
Cons
- Price varies by socket
- May require specific mounts
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Compared to its predecessor, the Velocity 3 achieves up to 2 degrees C improvement. This upgrade delivers top-tier cooling for demanding workloads. Precision mounting pressure ensures optimal contact with the CPU surface across supported sockets.
The block supports Intel LGA 1700/1851 and AMD AM5 platforms, providing versatility. Its dimensions are compact, allowing it to fit in many standard cases without issues. The Plexi top provides a clear view of coolant flow and bubbles.
It is a solid choice for users seeking an upgrade over previous models or entry into liquid cooling. The performance gain is measurable and valuable. We recommend it for those who prioritize thermal efficiency in their CPU cooling setup.
Optimized Internal Geometry
Precise engineering ensures maximum heat transfer efficiency and reduces thermal bottlenecks during heavy tasks.
Superior Material Quality
Nickel-plated copper cold plate provides excellent thermal conductivity and protection against corrosion and oxidation.
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5. EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block – Precision Fitment
EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block
ASUS TUF RTX 5080
Optimized open split-flow
Black anodized backplate
12 addressable RGB LEDs
This water block is precision-engineered specifically for the ASUS TUF Gaming GeForce RTX 5080 series. It features an optimized open split-flow design with expanded fins for efficient cooling. The construction uses premium materials to ensure longevity and performance.
Pros
- Perfect fit for ASUS TUF
- Low hydraulic restriction
- Passive cooling backplate
- Seamless installation
- Addressable lighting
Cons
- Limited compatibility
- Premium pricing
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The cooling engine actively cools the GPU core, VRAM, and power stages while maintaining low hydraulic restriction. A full-coverage L-shaped backplate passively cools PCB hotspots. Pre-installed captive screws and high-performance thermal pads are included for effortless setup.
The black anodized aluminum backplate adds structural integrity and enhances passive cooling capabilities. The design prioritizes clean builds with optimized coolant flow paths. RGB lighting is addressable and compatible with major motherboard sync technologies.
It is ideal for builders focusing on the ASUS TUF series with custom liquid cooling. The perfect fit and included accessories simplify the installation process. We recommend it for users seeking a reliable and efficient cooling solution for their GPU.
Optimized Flow Paths
Enhanced coolant flow paths ensure active cooling of GPU core and VRAM with low hydraulic restriction.
Complete Thermal Solution
Includes full-coverage backplate and pre-cut thermal pads for seamless installation and passive PCB cooling.
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6. EKWB EK-Quantum Velocity 2 CPU Water Block AM5 – Digital RGB Lighting
EKWB EK-Quantum Velocity 2 CPU Water Block AM5
AMD AM5 socket
Digital RGB lighting
99.99% pure copper
89×113.5x34mm dimensions
This CPU water block is designed specifically for the AMD AM5 socket. It features digital RGB lighting that integrates with popular software for vibrant effects. The coldplate is made from high-grade 99.99% pure electrolytic copper for top thermal performance.
Pros
- High-quality pure copper
- Digital RGB compatibility
- Perfect fit for AM5
- White Edition aesthetics
- Excellent thermal rating
Cons
- Higher price for RGB
- White edition availability
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The White Edition version offers a clean aesthetic that matches modern builds. Dimensions are compact, fitting well within standard case layouts. The construction ensures secure mounting and optimal heat transfer from the CPU surface.
Users appreciate the combination of performance and visual customization. The digital RGB compatibility allows for easy synchronization with other components. It is a versatile choice for AM5 users who want both cooling and style.
It is highly recommended for AMD AM5 users seeking a high-quality water block with RGB. The pure copper construction and design ensure reliable cooling. We consider it a top choice for those prioritizing both function and form.
Pure Copper Performance
Manufactured from highest-grade 99.99% pure electrolytic copper for superior thermal conductivity and heat transfer.
Digital RGB Integration
Features digital RGB lighting compatible with motherboard software for customizable and synchronized effects.
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7. EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block – Precision Cooling
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block
Precision-engineered cooling
Nickel-plated copper coldplate
EK-Matrix7 compatible
14 addressable RGB LEDs
This water block is designed exclusively for the ASUS ROG Astral GeForce RTX 5080 graphics cards. It features an optimized open split-flow cooling engine for maximum heat dissipation. Premium construction materials ensure durability and superior thermal conductivity.
Pros
- Exclusive for ASUS ROG
- Enhanced structural integrity
- Optimized thermal management
- Simplified loop planning
- Customizable lighting effects
Cons
- Specific to Astral series
- Premium price point
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The cooling engine includes an expanded fin array and enhanced coolant flow paths. Next-generation thermal pads are pre-cut for seamless installation and optimized contact. The full-coverage backplate passively cools PCB hotspots effectively.
It follows EK-Matrix7 standardization for simplified loop planning and integration. This enables straightforward tube routing and supports vertical or horizontal mounting configurations. The RGB lighting is addressable along top and backside edges.
It is an excellent choice for users building with the ASUS ROG Astral RTX 5080. The precision engineering and standardization ensure a clean and efficient build. We recommend it for those seeking high performance and aesthetic integration.
Optimized Split-Flow Design
Expanded fin array and enhanced coolant flow paths deliver maximum heat dissipation for high-load scenarios.
EK-Matrix7 Standardization
Follows EK-Matrix7 standards for simplified loop planning and seamless integration with other EK-Quantum components.
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8. EK Water Blocks EK-Quantum Surface X360M – High Cooling Power
EK Water Blocks EK-Quantum Surface X360M
58mm thick design
High cooling power
Sixteen 2mm copper tubes
High-grade copper fins
This radiator offers the most cooling power of any EK-Quantum Surface radiator. Its thickness of 58mm allows for substantial thermal transfer. The design ensures optimal coolant flow across the entire radiator with sixteen 2mm wide copper tubes.
Pros
- Thick radiator design
- Optimal coolant flow
- High-density fins
- Suitable for Push/Pull
- Schwarz finish
Cons
- Large thickness
- High airflow resistance
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High-grade non-louvered copper fins provide the best balance between thermal transfer and air resistance. These thick radiators work best with medium and high-speed fans or Push/Pull setups. The Schwarz finish fits well with black aesthetic builds.
It requires careful case selection due to its significant thickness. However, the cooling performance justifies the space requirements. It is engineered to handle demanding cooling loads efficiently and effectively.
It is recommended for builders prioritizing maximum thermal performance in their liquid cooling loops. The high copper density and thickness ensure stability. We suggest it for setups where cooling capacity is a top priority over size.
Thick Radiator Performance
58mm thickness provides the most cooling power in the EK-Quantum Surface series for demanding systems.
Optimized Flow Design
Sixteen 2mm wide copper tubes ensure optimal coolant flow and no stress on the cooling loop.
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9. EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir – Loop Revolution
EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir
Flat-shaped reservoirs
Nine G1/4 ports
Digital RGB lighting
225ml capacity
This reservoir is designed to revolutionize loop building with its flat-shaped design. It is equipped with nine G1/4 ports allowing users to choose the most optimal setup. The reservoir features digital RGB lighting for visual integration with the system.
Pros
- Revolutionary flat design
- Nine flexible ports
- RGB lighting feature
- Desktop friendly size
- Clear Plexi top
Cons
- Lower user rating
- High port complexity
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Its dimensions are compact at 146.5 x 143.5 x 44mm making it suitable for desktop setups. The capacity is around 225ml which is balanced for most loops. The Plexi top ensures clear visibility of coolant flow and levels.
While it offers flexibility with multiple ports, the complexity may challenge some users. The lower rating suggests varying user experiences with installation or leaks. Careful planning is required to maximize its unique form factor.
It is recommended for users seeking a unique and flexible reservoir design. The flat shape allows for versatile installation options. We advise checking compatibility and reviews to ensure it fits your specific build needs.
Flat-Shaped Design
Revolutionary flat-shaped reservoirs change how users think about loop building and component layout.
Flexible Port Configuration
Equipped with nine G1/4 ports so users can choose the most optimal setup for their liquid cooling loops.
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10. EK Water Blocks EK-Quantum Surface S120 – Standard Radiator
EK Water Blocks EK-Quantum Surface S120
Schwarz finish
120mm standard size
High cooling efficiency
Durable construction
This is a standard 120mm radiator designed for reliable cooling performance. It features a Schwarz finish that matches well with black component setups. The construction is durable and designed for long-term use in liquid cooling loops.
Pros
- Standard size fit
- Schwarz finish
- High user rating
- Reliable performance
- Affordable option
Cons
- Basic design
- Lower cooling than X
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Users report high satisfaction with its cooling efficiency and build quality. It fits standard 120mm fan mounts and requires typical case space. The design focuses on practicality and performance without excessive complexity.
While it lacks the thickness of higher-end models, it serves well for moderate cooling needs. The high user rating suggests reliability and ease of installation. It is a practical choice for simpler or budget-conscious builds.
It is recommended for users needing a reliable standard radiator for their system. The performance is consistent and the build is solid. We suggest it for those prioritizing straightforward integration and value.
Standard Cooling Performance
Offers reliable 120mm radiator performance suitable for standard cooling requirements and case layouts.
Schwarz Finish Design
Features a black Schwarz finish that integrates seamlessly with dark component builds for a clean look.
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Buying Guide – How to Choose the Best Ek Waterblocks for Nvidia
Selecting the right waterblock depends on your specific hardware, cooling goals, and aesthetic preferences. This guide breaks down the key factors to consider before making a purchase.
GPU Compatibility and Fitment
Ensure the water block matches your exact GPU model. Many EK blocks are designed for specific series like ASUS TUF or ROG Astral to guarantee perfect fitment.
Verify the model name and version on the box before buying to avoid return issues and ensure compatibility.
Cooling Performance and Design
Look for features like open split-flow designs and expanded fin arrays which maximize heat dissipation. These features directly impact thermals under heavy gaming or rendering loads.
Prioritize models with optimized coolant flow paths and nickel-plated copper coldplates for superior thermal conductivity.
Material Quality and Construction
High-quality materials such as CNC-machined cast acrylic and nickel-plated copper are standard for durability and aesthetics. They ensure crystal-clear coolant visibility and resistance to corrosion.
Choose blocks with reinforced backplates for structural integrity and passive cooling of PCB components.
RGB Lighting and Integration
If you want visual customization, check for addressable D-RGB LED support. These lights often sync with major motherboard RGB sync technologies for unified control.
Verify the cable length and connector type to ensure it matches your motherboard headers for proper synchronization.
Mounting and Installation Features
Blocks with pre-cut thermal pads and captive screws simplify the installation process significantly. These reduce the complexity of assembly and ensure optimal thermal contact.
Look for mounting systems that ensure precise pressure and alignment across your GPU surface for best results.
EK-Matrix7 Standardization
Support for EK-Matrix7 simplifies loop planning and tube routing. It enables seamless integration with distribution plates and other EK-Quantum components.
This standard allows for straightforward vertical or horizontal mounting configurations to fit your case layout.
Budget and Value Proposition
Prices vary by features and compatibility levels. Higher-end models offer more features but at a premium price point which you must weigh against your budget.
Balance performance needs with cost to choose a block that delivers value without overspending on unnecessary features.
Radiator and Loop Compatibility
Consider your radiator choice to ensure it can handle the thermal output of your GPU and CPU. Radiators with high copper density are best for high-performance systems.
Verify your case size to accommodate the necessary radiator thickness and ensure proper airflow for your loop.
How to Use and Care for Your Ek Waterblocks for Nvidia
Install the water block securely using the provided mounting hardware and thermal pads. Ensure the GPU surface is clean and free of dust before applying thermal paste if required.
Fill the loop with high-quality coolant and purge any air bubbles to ensure smooth flow and prevent pump damage. Keep your system clean to maintain optimal cooling performance over time.
Regularly inspect your tubing and fittings for leaks or corrosion. Replace worn components promptly to avoid system failure and ensure the longevity of your liquid cooling setup.
Frequently Asked Questions
Are Ek Waterblocks for Nvidia compatible with all GPUs?
Not all blocks are universal. Many are designed for specific models like ASUS TUF or Gigabyte Gaming OC. Always check product compatibility lists before purchasing to ensure a perfect fit for your graphics card.
What is the EK-Matrix7 standard?
EK-Matrix7 standardization simplifies loop planning and tube routing. It allows seamless integration with EK-Quantum components like distribution plates enabling straightforward vertical or horizontal mounting configurations.
Do these waterblocks come with thermal paste?
Some products include pre-cut high-performance thermal pads for thermal installation. Others may require you to apply your own paste so check the product specifications for included components.
How does the split-flow design help cooling?
Open split-flow designs optimize coolant flow paths to increase thermal efficiency. This design ensures maximum heat dissipation under heavy loads like gaming or rendering by improving heat transfer.
Can I use these blocks with standard fans?
Yes these blocks work with standard cooling loops. However thick radiators benefit most from medium to high-speed fans or a Push/Pull setup for optimal cooling performance and air flow.
What are the benefits of nickel-plated copper?
Nickel-plated copper offers superior thermal conductivity and resistance to corrosion. It maximizes heat transfer from your GPU to the coolant while protecting the cold plate from oxidation.
Final Thoughts on Choosing the Best Ek Waterblocks for Nvidia
We highlighted ten top products ranging from CPU blocks to specialized GPU waterblocks. Each offers unique advantages in thermal performance RGB integration and material quality to suit different needs.
Prioritize compatibility with your specific GPU model to ensure the best fit and cooling results. Investing in premium construction pays off in long-term stability and superior thermal management.
Check current availability and pricing before purchasing to confirm the best option for your budget. Always verify compatibility details on the product page to avoid return issues.