EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block, D-RGB, Plexi
4.5Editor score
Optimized open split flow design
Nickel plated copper coldplate
D-RGB lighting support
In this guide
Choosing the right liquid cooling solution for your graphics card is critical for maintaining peak performance during demanding tasks. Ek Waterblocks offer premium engineering and reliable thermal management for modern high end systems.
We compared ten top rated models based on thermal efficiency, build quality, and compatibility with latest Nvidia GPU architectures. Each product was evaluated for its cooling engine design, material construction, and aesthetic features.
Each pick highlights specific strengths such as split flow cooling or Matrix7 integration. Note that prices and availability may vary over time, so verify current listings before making your final purchase decision.
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
Precision engineered cooling engine
Full coverage cooling solution
EK-Matrix7 compatible
EK Water Blocks EK-Quantum Surface S120 – Schwarz
4.5Editor score
High density copper fins
Compact radiator design
Reliable thermal dissipation
Top 10 Best Ek Waterblocks for Nvidia in 2026 Compared
This section presents a side by side comparison of all ten selected products highlighting key specifications and design features to help you make an informed choice.
ProductsSpecificationsEditor scorePrice
Editor's Choice
EKWB EK-Quantum Velocity 3 CPU Water Block, 1700/1851/AM5, Plexi
Optimized internal geometry
Nickel plated copper cold plate
Max heat transfer efficiency
Compatible with LGA 1700
4.6Editor score
Editor's Choice
EKWB EK-Quantum Velocity 2 CPU Water Block D-RGB – 1700, Nickel/Plexi
Next generation cooling engine
Matrix7 compliant design
D-RGB lighting compatible
Includes thermal paste
4.6Editor score
Best Premium
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block, D-RGB, Plexi
Optimized open split flow
CNC machined cast acrylic
Full coverage backplate
13 addressable RGB LEDs
4.5Editor score
EKWB EK-Quantum Velocity 2 CPU Water Block, AM5, D-RGB, White Edition
AM5 socket support
99.99% pure copper
Digital RGB lighting
High grade materials
5.0Editor score
EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block, D-RGB, Plexi
TUF RTX 5080 design
Split flow cooling
Black anodized backplate
12 addressable RGB LEDs
4.5Editor score
EK Water Blocks EK-Quantum Surface S120 – Schwarz
High density copper fins
Compact form factor
Reliable thermal dissipation
Standard S120 size
5.0Editor score
EK Water Blocks EK-Quantum Surface X360M Schwarz
X58mm thick radiator
Sixteen copper tubes
Non-louvered copper fins
Push pull setup ready
4.3Editor score
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block, D-RGB, Plexi
Astral RTX 5080 design
Enhanced coolant flow
L shaped backplate
14 addressable RGB LEDs
4.5Editor score
EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir, D-RGB, Plexi, 146.5 x 143.5 x 44mm, Desktop GPU Liquid Cooling Reservoir
Flat shaped reservoir
Nine G1/4 ports
Digital RGB lighting
~225ml capacity
3.0Editor score
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block, D-RGB, Plexi
Astral RTX 5090 design
Maximized heat dissipation
Full coverage solution
EK-Matrix7 integrated
4.5Editor score
1. EK-Quantum Velocity 3 – Best CPU Cooling Upgrade
EKWB EK-Quantum Velocity 3 CPU Water Block, 1700/1851/AM5, Plexi
Optimized internal geometry
Nickel plated copper coldplate
Improved thermal performance
Mounting pressure precision
The EK-Quantum Velocity 3 Water block is a high-performance CPU water block designed for AMD AM5 and Intel LGA 1700/1851 platforms. It offers top-tier cooling for demanding workloads with up to 2 degrees C improvement over the Velocity 2.
Pros
- Two degree thermal improvement
- High heat transfer efficiency
- Nickel plated construction
- Fits AM5 and LGA platforms
- Precision mounting pressure
Cons
- Higher price than older models
- Requires specific socket support
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Its optimized internal geometry ensures maximum heat transfer efficiency while the nickel-plated copper cold plate provides superior thermal conductivity. The precision mounting pressure guarantees stable performance over time.
While it carries a premium price point compared to previous iterations the thermal gains justify the investment for enthusiasts. The specific socket support means you must verify compatibility before purchasing.
Buyers seeking maximum cooling performance for modern platforms will find this block ideal. It is the perfect choice for demanding workloads requiring reliable thermal management.
Thermal Performance
Achieves up to 2 degrees C improvement in thermal performance compared to predecessor models.
Construction Quality
Crafted with a nickel-plated copper cold plate for superior thermal conductivity and durability.
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2. EK-Quantum Velocity 2 – Premium CPU Water Block
EKWB EK-Quantum Velocity 2 CPU Water Block D-RGB – 1700, Nickel/Plexi
Next-generation cooling engine
eK-Matrix7 compliant
D-RGB lighting compatible
Includes Thermal Grizzly paste
EK-Quantum Velocity2 D-RGB is a new high-performance premium quality CPU water block for Intel socket LGA 1700 platforms. It features a next-generation cooling engine and extensive D-RGB lighting compatible with major motherboard software.
Pros
- Socket-specific cooling engine
- Matrix7 standard support
- Full RGB software compatibility
- Includes premium thermal paste
- High-quality construction
Cons
- Higher cost than standard blocks
- RGB requires proper wiring
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The block is eK-Matrix7 compliant and mounts via a patent-pending eK exact Mount system. It includes Thermal Grizzly's premium Hydronaut thermal paste for maximum cooling performance out of the box.
Users appreciate the seamless integration with RGB ecosystems and the reliable thermal performance. However the premium features come at a higher price point than basic models.
This product is best for users wanting both high cooling and extensive RGB control. It provides a complete solution with included thermal paste for easy setup.
RGB Integration
Extensive D-RGB lighting compatible with all popular D-RGB software from all major motherboard manufacturers.
Mounting System
Mounted via a patent-pending eK exact Mount system for secure and precise installation.
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3. Vector3 Master RTX 5090 – Premium GPU Cooling
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block, D-RGB, Plexi
Optimized open split flow
Nickel plated copper coldplate
CNC machined cast acrylic
13 addressable RGB LEDs
The EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block is specifically engineered for Gigabyte AORUS GeForce RTX 5090 MASTER cards. It features an expanded next-gen cooling engine with optimized open split-flow design.
Pros
- Engineered for RTX 5090
- Advanced cooling engine design
- Full coverage cooling solution
- EK-Matrix7 standard support
- CNC machined acrylic top
Cons
- Expensive price point
- Requires specific GPU model
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Nickel-plated electrolytic copper coldplate ensures maximum heat transfer while the CNC-machined cast acrylic top provides crystal-clear coolant visibility. It actively cools GPU core GDDR7 VRAM and power stages.
The full-coverage backplate passively dissipates heat from critical PCB components. Users get 13 individually addressable D-RGB LEDs compatible with major motherboard sync technologies.
Ideal for high-end gaming rigs and rendering workloads. This block delivers superior thermal performance under heavy loads with aesthetic RGB integration.
Split Flow Design
Optimized open split-flow design with enhanced fin array and precision coolant flow paths.
Visual Appeal
CNC-machined cast acrylic top for crystal-clear coolant visibility and custom build aesthetics.
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4. Velocity 2 White Edition – White Build Specialist
EKWB EK-Quantum Velocity 2 CPU Water Block, AM5, D-RGB, White Edition
AM5 socket support
99.99% pure copper
Digital RGB lighting
White Edition finish
This CPU water block is designed specifically for the AMD AM5 socket with digital RGB lighting. The coldplate is manufactured out of the highest-grade 99.99% pure electrolytic copper for optimal heat transfer.
Pros
- Perfect for AM5 platforms
- Pure electrolytic copper cold plate
- Digital RGB lighting included
- Aesthetic white finish
- High thermal conductivity
Cons
- Higher price than standard
- White may show oxidation
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The white edition finish offers a sleek aesthetic for custom builds needing matching components. It provides reliable thermal management for modern Ryzen processors.
Users note the high-quality construction and effective cooling performance under load. The digital RGB lighting allows full customization with motherboard sync technologies.
Best for users building a white themed system around AMD AM5 CPUs. It balances performance and aesthetics effectively with high-grade materials.
Material Purity
Manufactured out of the highest-grade 99.99% pure electrolytic copper for superior cooling.
Digital RGB
Features digital RGB lighting compatible with major motherboard RGB sync technologies.
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5. Vector3 TUF RTX 5080 – TUF Optimized
EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block, D-RGB, Plexi
ASUS TUF RTX 5080 fit
Split flow cooling design
Black anodized backplate
12 addressable RGB LEDs
This water block is precision-engineered for ASUS TUF Gaming GeForce RTX 5080 16GB GDDR7 and OC Edition graphics cards. It features an optimized open split-flow design with expanded fin array.
Pros
- Perfect TUF fitment
- Low hydraulic restriction
- Full coverage cooling solution
- Pre-installed captive screws
- Compatible with RGB sync
Cons
- Only fits TUF RTX 5080
- Price may be high
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Nickel-plated electrolytic copper coldplate ensures maximum thermal conductivity while the black anodized aluminum backplate provides structural integrity. The block actively cools GPU core VRAM and power stages.
Pre-installed captive screws simplify installation and the full-coverage L-shaped backplate passively cools PCB hotspots. Users get 12 individually addressable RGB LEDs compatible with motherboard sync.
Ideal for ASUS TUF RTX 5080 owners wanting premium cooling. It delivers low hydraulic restriction and excellent heat dissipation for stable performance.
Split Flow Engineering
Optimized open split-flow design with expanded fin array and improved coolant flow paths.
Structural Integrity
Black anodized aluminum backplate provides structural integrity and passive cooling.
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6. Surface S120 – Compact Radiator
EK Water Blocks EK-Quantum Surface S120 – Schwarz
High density copper fins
Compact S120 form
Reliable thermal dissipation
Non-louvered fin design
The Surface S120 is a compact radiator designed for reliable thermal dissipation. It uses high density copper fins to maximize heat exchange efficiency in small spaces.
Pros
- Reliable thermal dissipation
- Compact footprint
- High density copper fins
- Black finish aesthetics
- Compatible with standard fans
Cons
- Limited cooling for extreme loads
- Single radiator size
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Users appreciate the black finish and the ability to mount standard 120mm fans easily. It provides efficient cooling for moderate performance systems.
The compact design makes it suitable for builds with limited space. While not intended for extreme overclocking it handles typical gaming loads well.
Best for users needing a space efficient radiator solution. It offers quality construction and dependable thermal performance for standard loops.
Compact Design
Compact S120 form factor allows for space efficient cooling loop integration.
Thermal Efficiency
High density copper fins ensure reliable thermal dissipation for various workloads.
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7. Surface X360M – High Performance Radiator
EK Water Blocks EK-Quantum Surface X360M Schwarz
58mm thick radiator
Sixteen copper tubes
Non-louvered copper fins
Push pull setup ready
With a thickness of 58mm this radiator offers the most cooling power of any EK-Quantum Surface radiator. A total of sixteen 2mm wide copper tubes ensure optimal coolant flow across the unit.
Pros
- High cooling power
- Sixteen copper tubes
- Optimal coolant flow
- High grade copper fins
- Medium speed fan optimized
Cons
- Requires large mounting area
- High fan speeds needed
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High-grade non-louvered copper fins with 18 FPI density provide the best balance between thermal transfer and air resistance. It benefits most from medium and high-speed fans.
Users note the thick construction adds significant thermal capacity to loops. It is ideal for high load systems needing maximum heat exchange area.
Buyers requiring top tier cooling capacity should consider this model. It delivers reliable performance when paired with proper high airflow fans.
Cooling Power
Thickness of 58mm offers the most cooling power of any EK-Quantum Surface radiator.
Optimized Flow
Sixteen 2mm wide copper tubes ensure optimal coolant flow with no stress on loop.
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8. Vector3 Astral RTX 5080 – Astral Series
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block, D-RGB, Plexi
ROG Astral 5080 design
Split flow cooling engine
L-shaped backplate
14 addressable RGB LEDs
Designed exclusively for ASUS ROG Astral GeForce RTX 5080 graphics cards this block features an optimized open split-flow cooling engine. It actively cools GPU core VRAM and power stages effectively.
Pros
- Precision engineered cooling
- Enhanced coolant flow paths
- Full coverage cooling solution
- Matrix7 compatible design
- Aesthetic RGB lighting
Cons
- Specific to Astral models
- Requires careful handling
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The nickel-plated electrolytic copper coldplate ensures superior thermal conductivity while the full-coverage L-shaped backplate passively cools PCB hotspots. Users get 14 individually addressable RGB LEDs.
The EK-Matrix7 standardization simplifies loop planning and integration with other components. Installation is seamless with next-generation pre-cut thermal pads included.
Perfect for ROG Astral RTX 5080 users seeking premium aesthetics and cooling. It delivers maximum heat dissipation with clean vertical or horizontal mounting options.
Thermal Management
Next-generation pre-cut thermal pads ensure seamless installation and optimized contact.
Matrix7 Integration
Follows EK-Matrix7 standardization for simplified loop planning and perfect integration.
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9. Volume 3 FLT 140 Reservoir – Flat Reservoir
EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir, D-RGB, Plexi, 146.5 x 143.5 x 44mm, Desktop GPU Liquid Cooling Reservoir
Flat shaped design
Nine G1/4 ports
Digital RGB lighting
~225ml capacity
The Volume 3 flat-shaped reservoirs are designed to revolutionize the way you were thinking about loop building. It is equipped with a total of nine G1/4 ports so that users can choose the most optimal setup.
Pros
- Revolutionizes loop building
- Nine G1/4 ports available
- Digital RGB lighting features
- Flat shaped design
- Flexible tube routing
Cons
- Limited capacity
- Complex port configuration
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Features digital RGB lighting for aesthetic integration with the rest of the build. The reservoir offers ~225ml capacity which suits smaller systems with limited space.
Users appreciate the flexibility in port options for custom routing. The flat design saves space but requires careful planning for flow direction.
Ideal for builders seeking a compact and flexible reservoir solution. It allows for complex loop configurations with multiple connection points.
Port Flexibility
Equipped with a total of nine G1/4 ports for optimal setup choices.
RGB Features
Features digital RGB lighting to match system aesthetics and sync controls.
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10. Vector3 Astral RTX 5090 – Top GPU Block
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block, D-RGB, Plexi
Custom RTX 5090 design
Split flow cooling engine
Full coverage solution
14 addressable RGB LEDs
This custom water block is designed exclusively for ASUS ROG Astral GeForce RTX 5090 graphics cards. It features an enhanced cooling engine with expanded fin array and optimized coolant flow paths.
Pros
- Enhanced cooling engine
- Expanded fin array
- Full coverage cooling solution
- Matrix7 compatible design
- Customizable lighting effects
Cons
- Premium price point
- Requires specific GPU model
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Nickel-plated electrolytic copper coldplate ensures superior thermal conductivity and CNC-machined cast acrylic top showcases the coolant. The full-coverage backplate passively cools PCB hotspots.
Follows EK-Matrix7 standardization for simplified loop planning. Users get 14 individually addressable RGB LEDs compatible with major motherboard sync technologies for customizable effects.
Best for high-end ROG Astral 5090 builds. It ensures comprehensive thermal management even under extreme overclocking and high-load applications.
Cooling Engine
Enhanced cooling engine featuring expanded fin array and optimized coolant flow paths.
Matrix7 Standard
Follows EK-Matrix7 standardization for simplified loop planning and perfect integration.
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Buying Guide – How to Choose the Best Ek Waterblocks for Nvidia
Selecting the right liquid cooling block requires understanding your GPU model, case constraints, and aesthetic preferences.
GPU Model Compatibility
Ensure the block matches your specific GPU model such as RTX 5090 or 5080. Custom designs often fit only specific cards.
Always verify the exact model before purchasing to avoid installation issues.
Cooling Performance
Look for features like split-flow design and high thermal conductivity materials like nickel-plated copper.
Prioritize blocks with advanced cooling engines for overclocking and heavy workloads.
Build Material Quality
Nickel-plated electrolytic copper coldplates offer superior thermal conductivity and durability.
CNC-machined cast acrylic tops provide clear visibility of your coolant.
RGB Lighting Features
Check for D-RGB or addressable RGB LEDs compatible with your motherboard sync software.
Count the number of LEDs and ensure cable length fits your case.
EK-Matrix7 Standard
Matrix7 compatible blocks simplify loop planning and tube routing for cleaner builds.
This standard ensures seamless integration with distribution plates and fittings.
Backplate Coverage
Full coverage backplates provide structural integrity and passive cooling for PCB hotspots.
L-shaped backplates often offer enhanced cooling for power components.
Installation Requirements
Check if thermal pads or paste are included in the package to save extra costs.
Pre-installed captive screws can simplify the installation process significantly.
Budget Considerations
High-end custom GPU blocks carry a premium price compared to standard CPU cooling blocks.
Balance your budget with performance needs and desired aesthetic features.
How to Use and Care for Your Ek Waterblocks for Nvidia
Install the block only after ensuring the GPU is securely seated and compatible mounting brackets are attached to the card.
Connect the D-RGB headers carefully using the included cables to ensure proper motherboard communication for lighting control.
Regularly flush and replace coolant every six months to maintain thermal performance and prevent buildup in the block.
Frequently Asked Questions
Do these blocks support standard RTX 5090 cards?
These blocks are specifically designed for custom models like AORUS, TUF, or Astral series. You must check exact compatibility before purchasing as standard cards may not fit.
Are the D-RGB lights compatible with my motherboard?
Most blocks feature standard 3-pin 5V digital LED headers that support major RGB sync technologies including ASUS Aura and MSI Mystic Light.
Does the block come with thermal pads?
Many models include pre-cut high-performance thermal pads for installation. Always verify the product details to confirm if they are included.
What is EK-Matrix7?
It is a standardization for tube spacing and connectors to simplify loop planning. It ensures seamless integration with distribution plates and fittings.
Do I need a special pump for these blocks?
These blocks typically have low hydraulic restriction but pairing them with a high flow pump ensures optimal cooling performance.
How often should I clean the block?
You should inspect the block annually and flush the loop every six months to prevent buildup and maintain thermal efficiency.
Can I mount the block vertically?
Many models support both vertical and horizontal configurations with specific fittings designed to enable straightforward tube routing.
Are these blocks suitable for extreme overclocking?
Yes premium blocks with split flow cooling are designed to handle extreme overclocking and high-load applications effectively.
Final Thoughts on Choosing the Best Ek Waterblocks for Nvidia
This guide compared ten top Ek Waterblocks for Nvidia GPUs focusing on cooling performance and build quality.
Prioritize blocks with split flow cooling and full coverage backplates for reliable thermal management.
Always check current prices and compatibility before purchasing to ensure you select the best product for your setup.