EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
4.5Editor score
Engineered for RTX 5090 Master
Optimized open split-flow design
Nickel-plated copper coldplate
In this guide
Selecting the right waterblock is crucial for high-performance Nvidia builds. EK Waterblocks offer precision engineering and premium materials to ensure optimal thermal management for demanding graphics cards.
This guide compares ten top EK products ranging from GPU blocks to system components. We evaluate cooling efficiency, build quality, and compatibility to help you choose the best solution.
Each pick highlights specific strengths like thermal performance or aesthetic appeal. Note that product availability and pricing may change, so verify current details before purchasing.
Top 3 Picks for Best Ek Waterblocks for Nvidia
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block
4.5Editor score
Designed for ASUS ROG Astral
14 individually addressable D-RGB LEDs
Full-coverage cooling solution
EK Water Blocks EK-Quantum Surface S120
5.0Editor score
High-efficiency radiator design
Compatible with standard 120mm fans
Durable copper tube construction
Top 10 Best Ek Waterblocks for Nvidia in 2026 Compared
The following table provides a side-by-side comparison of all ten products. Use this overview to quickly identify key specifications and compatibility details for your setup.
ProductsSpecificationsEditor scorePrice
Editor's Choice
EKWB EK-Quantum Velocity 3 CPU Water Block
AM5 and Intel LGA 1700/1851
Nickel-plated copper cold plate
Up to 2 C improvement
69 x 69 x 25.1mm
4.6Editor score
Editor's Choice
EKWB EK-Quantum Velocity 2 CPU Water Block D-RGB
Intel LGA 1700 platform
Next-gen socket specific cooling
E-K-Matrix7 compliant
Includes Thermal Grizzly Hydronaut
4.6Editor score
Best Premium
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
Gigabyte RTX 5090 MASTER
Open split-flow design
CNC machined cast acrylic
13 addressable D-RGB LEDs
4.5Editor 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
Optimized open split-flow
Full-coverage backplate
12 individually addressable RGB
4.5Editor score
EK Water Blocks EK-Quantum Surface S120
S120 radiator model
High-density copper fins
Non-louvered design
Efficient heat dissipation
5.0Editor score
EK Water Blocks EK-Quantum Surface X360M
X360M radiator model
58mm thick profile
Sixteen 2mm copper tubes
18 FPI fin density
4.3Editor score
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block
ASUS ROG Astral RTX 5080
Optimized coolant flow paths
L-shaped backplate
EK-Matrix7 compatible
4.5Editor score
EK Water Blocks EK-Quantum Volume 3 FLT 140 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
ASUS ROG Astral RTX 5090
Expanded fin array
Full-coverage solution
Vertical and horizontal mounting
4.5Editor score
1. EKWB EK-Quantum Velocity 3 – Best CPU Cooling Foundation
EKWB EK-Quantum Velocity 3 CPU Water Block
AM5 and LGA 1700 support
Optimized internal geometry
Nickel-plated copper plate
2 degree thermal improvement
The EK-Quantum Velocity 3 is a high-performance CPU water block designed for AMD AM5 and Intel LGA 1700/1851 platforms. It achieves up to 2 degrees C improvement over the Velocity 2.
Pros
- High-performance thermal efficiency
- Precise mounting pressure
- Superior conductivity materials
- Compact dimensions
- Up to 2C improvement
Cons
- Requires specific mounting hardware
- Limited color options
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Its optimized internal geometry and precise mounting pressure ensure maximum heat transfer efficiency. Crafted with a nickel-plated copper cold plate, it offers superior thermal conductivity.
While it does not include RGB lighting, its focus is purely on thermal performance. This makes it an ideal foundation for any high-end Nvidia liquid cooling loop.
If you need top-tier cooling for demanding workloads on these sockets, this block is the clear choice. It ensures your CPU stays cool and your system remains stable.
Optimized Geometry for Efficiency
The internal flow path is designed to maximize coolant contact with the cold plate. This results in faster heat extraction from the processor.
Premium Material Construction
Nickel-plated copper provides the best balance of conductivity and corrosion resistance. This ensures long-term reliability within your custom loop.
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2. EKWB EK-Quantum Velocity 2 D-RGB – Reliable Cooling for Intel
EKWB EK-Quantum Velocity 2 CPU Water Block D-RGB
Intel LGA 1700 socket
Next-gen cooling engine
Matrix7 compliant
Includes Thermal Grizzly paste
The Velocity 2 D-RGB is a high-performance premium quality CPU water block for the Intel LGA 1700-based platform. It features a next-generation cooling engine that is socket-specific.
Pros
- Extensive D-RGB lighting
- Socket specific design
- Easy tube routing
- Includes premium thermal paste
Cons
- Limited to 1700 socket
- May require extra controller
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Its E-K-Matrix7 compliance makes mounting and tubing incredibly easy. The extensive D-RGB lighting is compatible with all popular software from major motherboard manufacturers.
It comes with Thermal Grizzly Hydronaut paste which is a premium addition. However, it is limited to the 1700 socket and may need a separate RGB controller.
For Intel 1700 users wanting style and performance, this block is a solid choice. It balances aesthetics and thermal capability effectively.
Matrix7 Compliance
The Matrix7 standard allows for uniform tube spacing and easier build layouts. This is particularly helpful in multi-GPU Nvidia systems.
Integrated Lighting Options
The D-RGB ring provides consistent lighting across the top of the block. It syncs well with ASUS Aura or MSI Mystic Light.
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3. EKWB Vector3 Master RTX 5090 – Ultimate GPU Thermal Performance
EKWB EK-Quantum Vector3 Master RTX 5090 GPU Water Block
Gigabyte RTX 5090 MASTER
Split-flow cooling design
Full-coverage backplate
13 addressable D-RGB LEDs
This block is specifically engineered for the Gigabyte AORUS GeForce RTX 5090 MASTER and Gaming OC cards. It features an advanced open split-flow design for superior thermal performance.
Pros
- Engineered for RTX 5090
- Advanced open split-flow design
- Complete VRAM cooling
- Full-coverage backplate
Cons
- High price point
- Requires specific GPU model
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It actively cools the GPU core, GDDR7 VRAM, and power stages. The full-coverage backplate with L-shaped profile passively dissipates heat from critical PCB components.
The 13 individually addressable D-RGB LEDs offer extensive customization. However, the price reflects the premium components and precision engineering involved.
For owners of these specific RTX 5090 models, this is the definitive cooling solution. It ensures stable performance under heavy gaming or rendering loads.
Split-Flow Architecture
The split-flow design reduces flow resistance while maintaining high heat transfer. This allows for faster flow rates in complex loops.
Passive Cooling Features
The backplate cools hot spots passively using conduction. This helps maintain consistent component temperatures over long sessions.
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4. EKWB Velocity 2 AM5 White – Premium AMD Aesthetics
EKWB EK-Quantum Velocity 2 CPU Water Block AM5
AMD AM5 socket support
Digital RGB lighting
99.99% pure copper
White Edition finish
This CPU water block is designed specifically for the AMD AM5 socket. It features digital RGB lighting and is part of the White Edition series.
Pros
- Perfect for white builds
- Highest grade copper
- Digital RGB compatible
- Strong thermal performance
Cons
- Limited to AM5 socket
- Higher cost than standard
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The coldplate is manufactured out of the highest-grade 99.99% pure electrolytic copper. This ensures maximum heat transfer efficiency for Ryzen processors.
It is an ideal choice for users building a white-themed system. However, it is only compatible with the AM5 socket and comes at a higher price.
If you need a high-quality AM5 block for a white build, this is the top pick. It delivers exceptional cooling and aesthetic appeal.
Pure Copper Coldplate
Using 99.99% pure copper ensures minimal impedance to heat flow. This results in lower CPU temperatures under load.
RGB Synchronization
The digital RGB lighting can be synced with your motherboard. This creates a cohesive lighting scheme across your system.
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5. EKWB Vector3 TUF RTX 5080 – Durable Gaming Cooling
EKWB EK-Quantum Vector3 TUF RTX 5080 GPU Water Block
ASUS TUF RTX 5080
Optimized split-flow design
Full-coverage L-shaped backplate
12 addressable RGB LEDs
This water block is precision-engineered specifically for the ASUS TUF Gaming GeForce RTX 5080. It features an optimized open split-flow design for efficient heat dissipation.
Pros
- Perfect fitment for TUF
- Enhanced cooling engine
- Copper coldplate
- RGB compatible
Cons
- Specific card compatibility
- Requires tube fittings
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It actively cools the GPU core, VRAM, and power stages while maintaining low hydraulic restriction. The included full-coverage L-shaped backplate passively cools PCB hotspots.
The 12 individually addressable RGB LEDs allow for customization. The price is consistent with high-end GPU blocks for next-gen cards.
TUF RTX 5080 owners will benefit most from this tailored solution. It ensures your card stays cool during intense gaming sessions.
Low Hydraulic Restriction
The split-flow design reduces resistance to coolant flow. This means less strain on your pump and quieter operation.
Backplate Protection
The L-shaped backplate protects the PCB and cools hotspots. This adds structural integrity to the build.
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6. EK-Quantum Surface S120 – Efficient Radiator Solution
EK Water Blocks EK-Quantum Surface S120
120mm radiator
Standard mounting options
Durable copper construction
Black finish
The EK-Quantum Surface S120 is a radiator designed to dissipate heat from your liquid cooling loop. It features a standard 120mm footprint for easy installation.
Pros
- Excellent price-to-performance
- Simple installation
- Reliable cooling
- Standard 120mm fit
Cons
- Basic design
- No RGB lighting
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It uses high-grade copper tubes to ensure optimal coolant flow. This model offers reliable performance without the complexity of advanced features.
As a budget-friendly component, it is perfect for beginners. It lacks advanced features like RGB lighting but delivers essential cooling power.
For those needing a simple and effective radiator for their build, this is a great choice. It keeps your loop temperatures stable and efficient.
Simple Design
The clean design fits into most case layouts easily. It does not require special mounting hardware.
Cost Effective
This radiator offers excellent cooling for a lower price. It is ideal for starter custom loops.
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7. EK-Quantum Surface X360M – High Capacity Radiator
EK Water Blocks EK-Quantum Surface X360M
58mm thick profile
Sixteen 2mm copper tubes
18 FPI fin density
Non-louvered design
The X360M radiator offers the most cooling power of any EK-Quantum Surface radiator. With a thickness of 58mm, it requires medium or high-speed fans.
Pros
- Superior heat dissipation
- 16 copper tubes
- Non-louvered fins
- High air resistance
Cons
- Thick design
- Needs high-speed fans
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It features a total of sixteen 2mm wide copper tubes across the entire radiator. This ensures optimal coolant flow without stressing your loop.
The high-grade non-louvered copper fins provide the best balance between transfer and resistance. However, the thick design may not fit all cases.
This radiator is perfect for demanding systems needing maximum airflow. It ensures your CPU and GPU stay cool under heavy loads.
Sixteen Copper Tubes
The multiple tubes reduce flow restriction significantly. This helps maintain efficient coolant circulation.
Non-Louvered Fins
Non-louvered fins maximize surface area for heat transfer. This design prioritizes thermal performance over low noise.
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8. EKWB Vector3 Astral RTX 5080 – Optimized for Astral
EKWB EK-Quantum Vector3 Astral RTX 5080 GPU Water Block
ASUS ROG Astral RTX 5080
Optimized open split-flow
Full-coverage L-shaped backplate
EK-Matrix7 compatible
This block is designed exclusively for ASUS ROG Astral GeForce RTX 5080 graphics cards. It features an optimized open split-flow cooling engine for maximum heat dissipation.
Pros
- Precision-engineered cooling
- Enhanced fin array
- Simple tube routing
- RGB sync ready
Cons
- Specific card fitment
- Premium pricing
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The next-generation thermal pads ensure seamless installation. The full-coverage L-shaped backplate passively cools PCB hotspots effectively.
Matrix7 compatibility simplifies loop planning and tube routing. The price reflects the precision engineering required for custom GPU blocks.
Owners of the ROG Astral 5080 will find this ideal. It offers the perfect balance of performance and aesthetics.
Matrix7 Standardization
Following Matrix7 standardization enables straight tube paths. This makes your build look cleaner and more professional.
Pre-Cut Pads
The pre-cut pads fit perfectly without trimming. This reduces installation time and risk of errors.
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9. EK-Quantum Volume 3 FLT 140 – Flexible Reservoir
EK Water Blocks EK-Quantum Volume 3 FLT 140 Reservoir
Flat shaped design
Nine G1/4 ports
Digital RGB lighting
225ml capacity
The Volume 3 flat-shaped reservoir is designed to revolutionize loop building. It features nine G1/4 ports for flexible tube routing options.
Pros
- Nine connection ports
- Digital RGB compatible
- Space saving design
- Clear Plexi top
Cons
- Low capacity
- Requires proper mounting
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It includes digital RGB lighting to match the rest of your components. The size is compact at 146.5 x 143.5 x 44mm.
The 225ml capacity is sufficient for most loops but may be small for complex setups. It is priced competitively for a multi-port reservoir.
For builders needing port flexibility in a small footprint, this is ideal. It simplifies complex loops significantly.
Nine G1/4 Ports
Multiple ports allow for flexible routing without extra fittings. This reduces clutter and potential leak points.
RGB Synchronization
Digital lighting syncs with major motherboard RGB. This ensures a consistent look across the system.
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10. EKWB Vector3 Astral RTX 5090 – Premium Cooling for Astral
EKWB EK-Quantum Vector3 Astral RTX 5090 GPU Water Block
ASUS ROG Astral RTX 5090
Expanded fin array
Full-coverage solution
14 addressable D-RGB LEDs
This custom water block is designed exclusively for ASUS ROG Astral GeForce RTX 5090 cards. It features an enhanced cooling engine with expanded fin arrays.
Pros
- Optimized for 5090
- 14 D-RGB LEDs
- L-shaped backplate
- Matrix7 compatible
Cons
- High-end pricing
- Requires specific GPU
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It actively cools the GPU core and VRAM while the backplate passively cools PCB hotspots. The 14 addressable LEDs offer extensive RGB customization.
Matrix7 compatibility enables straightforward tube routing for both mounting configurations. The price is premium due to the specialized engineering.
For owners of this specific RTX 5090 model, it offers top-tier cooling. It ensures your GPU remains stable under extreme loads.
Expanded Fin Array
More fins increase the surface area for heat transfer. This allows for lower temperatures under high stress.
Custom Fitment
The block is precisely cut to fit the Astral PCB. This ensures secure mounting and no overhang.
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Buying Guide – How to Choose the Best Ek Waterblocks for Nvidia
Selecting the right cooling component requires understanding compatibility and performance. This guide breaks down key factors to consider before buying.
GPU Model Compatibility
Ensure the block matches your exact RTX model such as 5090 or 5080 variants like TUF or Astral. Using the wrong block will prevent proper mounting.
Check the manufacturer and model name to confirm fit before purchasing any specific GPU waterblock.
Cooling Performance
Look for open split-flow designs that maximize contact with the GPU core and VRAM. This ensures efficient heat extraction during gaming or rendering.
Prioritize blocks with high-density fin arrays for maximum thermal dissipation capabilities.
Material Construction
Nickel-plated copper coldplates offer the best thermal conductivity. This material is standard for high-performance blocks.
Ensure the block uses high-grade copper to prevent corrosion and maintain efficiency over time.
RGB Lighting Integration
Choose blocks with D-RGB LEDs if you want customizable lighting effects. Ensure compatibility with your motherboard's RGB sync technology.
Verify that the cable length is sufficient for your case layout.
Matrix7 Compatibility
Matrix7 standardization simplifies tube routing for clean builds. It ensures uniform spacing between components.
Look for the Matrix7 logo to confirm the component supports this standard.
Backplate Coverage
Full-coverage backplates passively cool PCB hotspots. This protects your GPU components during high load.
Ensure the backplate is included with the block for comprehensive thermal management.
System Space Requirements
Consider the dimensions of your GPU block and radiator. Ensure they fit within your case dimensions.
Measure your case internal width and height before ordering any cooling components.
Budget Considerations
High-end blocks like the Vector3 cost more but offer superior performance. Evaluate if the extra cost is worth your specific needs.
Balance your budget with the cooling requirements of your specific GPU model.
How to Use and Care for Your Ek Waterblocks for Nvidia
Install the waterblock by first removing the stock cooler from your GPU. Apply the provided thermal pads carefully to avoid air bubbles.
Fill your loop with high-quality coolant and run the pump for a few hours to bleed air from the system. Check all connections for leaks.
Clean your radiators and filters every few months to prevent dust buildup. This maintains optimal cooling performance for your build.
Frequently Asked Questions
Do these blocks work with non-ASUS cards?
No, most blocks are engineered for specific cards like TUF or Astral. Using them on other brands may cause fit issues. Always verify your exact card model.
What is EK-Matrix7?
It is a standardization by EKWB for tube routing and component spacing. It ensures straight tube runs and easier builds across different products.
Are these blocks compatible with RTX 4090?
These blocks are specifically designed for RTX 5080 and 5090 models. They may not fit older 4090 cards due to size differences.
Do the blocks include thermal paste?
Some blocks include thermal paste but most GPU blocks rely on pre-cut thermal pads. Check the product details to confirm what is included.
Is installation difficult?
Installation requires basic tools but can be complex. If you are new to watercooling, review guides or seek professional help.
Can I use these for passive cooling?
No, these blocks require active liquid cooling with a pump. Passive cooling alone is insufficient for these GPU models.
Final Thoughts on Choosing the Best Ek Waterblocks for Nvidia
This guide covered ten top EK products ranging from the RTX 5090 Master block to system radiators. Each offers unique benefits for different user needs.
Prioritize compatibility with your GPU model and Matrix7 standardization for the cleanest builds. Thermal performance should remain a key factor.
Always check current prices and availability before purchasing. Ensure you have all necessary fittings and tools for installation.