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Looking Beyond the S erounder Water Block M2 Solid-State? 5 Alternatives Worth a Look

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You might be looking for s erounder water block m2 solid state alternatives to find a better fit for your specific build. The Alphacool ES HPE-60 is a robust copper radiator designed for high-pressure industrial applications. It features thick cooling channels and reinforced weld seams rated for up to 5 bar of pressure. This design ensures maximum reliability in demanding loops. However, its 80mm size and quad fan configuration may not suit every case. You might need a different form factor or a more compact solution for your system.

These alternatives were chosen because their specs overlap with the original product. Each option provides copper core performance, which is essential for efficient heat dissipation. The list includes 120mm and 180mm radiators from Alphacool. These sizes offer more flexibility for standard cases. You can find options that prioritize single-fan compatibility or compact depth. This guide helps you compare physical dimensions and material quality. You can select a radiator that matches your space constraints without sacrificing durability. The focus remains on practical specifications rather than marketing claims.

Our top pick: Alphacool ES HPE-60 Copper 80mm Quad Radiator.

Comparing these alternatives to the HPE-60

Alphacool NexXxoS XT45 120mm Copper Radiator

The NexXxoS XT45 120mm Copper Radiator shifts from quad-fan capacity to a single-fan form factor. It measures 4.88 by 6.18 by 1.81 inches and weighs 1.32 pounds. This model prioritizes copper core performance in a smaller footprint. You gain flexible port options and easier installation in tight spaces. You lose the massive airflow potential of the HPE-60. This radiator suits builders with limited mounting space who still want reliable copper internals. It is a practical choice for single-fan setups where compactness matters more than raw fan count. The reduced size makes it ideal for cases that cannot accommodate the 367mm length of the original.

Alphacool NexXxos UT60 120mm Copper Radiator

The NexXxos UT60 120mm Copper Radiator offers a compact 120mm solution with dimensions of 4.72 by 4.72 by 2.76 inches. It weighs 1.76 pounds and features a copper core. This model provides durable cooling in a smaller area than the HPE-60. You gain connection flexibility and a smaller footprint for tight builds. You give up the ability to mount eight fans. This radiator is best for users who prioritize material quality and space efficiency over high-volume airflow. It fits builders who need robust copper cooling without the bulk of a quad-radiator. The compact design allows for easier integration into small form factor cases while maintaining reliable thermal performance.

Alphacool NexXxos ST30 120mm Copper Radiator

The NexXxos ST30 120mm Copper Radiator is a slim option measuring 6.18 by 4.88 by 1.18 inches. It weighs 0.47 kilograms and features a copper core. This model is designed for small cases needing reliable 120mm cooling. You gain a low-profile design that fits in tight spaces. You lose the high-pressure industrial durability and massive fan capacity of the HPE-60. This radiator suits users who prioritize copper internals and standard 120mm compatibility. It is a solid choice for builders who need reliable cooling without the bulk of a larger radiator. The slim profile makes it ideal for cases with limited depth, offering a practical alternative to the much larger quad-radiator.

Alphacool NexXxoS XT45 Full Copper 180mm Radiator

The NexXxoS XT45 Full Copper 180mm Radiator targets builders with 180mm mounting space. It measures 8.78 by 7.17 by 1.77 inches and weighs 1.06 kilograms. This model offers copper core efficiency in a single-fan form factor. You gain compatibility with 180mm slots and reliable copper performance. You give up the quad-fan capacity and high-pressure industrial features of the HPE-60. This radiator is best for users who prioritize copper core efficiency over standard 120mm compatibility. It fits builders with specific mounting requirements who need a reliable single-fan solution. The 180mm size provides a middle ground between compact 120mm options and the massive HPE-60, offering efficient cooling in a dedicated slot.

Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator

The NexXxoS XT45 Full Copper 180mm Dual Radiator measures 14.2 by 7.09 by 2.36 inches and weighs 3.8 pounds. It features a copper core and is designed for compact 180mm copper cooling needs. This model fits builders with a specific 180mm slot who need dual-fan capacity. You gain reliable copper performance without excessive depth. You lose the high-pressure industrial durability and the quad-fan layout of the HPE-60. This radiator is ideal for users who need more cooling capacity than a single fan but cannot fit the HPE-60. It offers a practical solution for 180mm mounts, providing efficient cooling in a compact form factor that balances size and performance.

Quick picks

#ProductBest forPrice
1 Alphacool ES HPE-60 Copper 80mm Quad Radiator Best premium high-pressure industrial loops needing max airflow Check price of Alphacool ES HPE-60 Copper 80mm Quad Radiator on Amazon
2 Alphacool NexXxoS XT45 120mm Copper Radiator Best budget Single-fan builds needing copper core performance Check price of Alphacool NexXxoS XT45 120mm Copper Radiator on Amazon
3 Alphacool NexXxos UT60 120mm Copper Radiator Also great Compact builds needing durable copper cooling Check price of Alphacool NexXxos UT60 120mm Copper Radiator on Amazon
4 Alphacool NexXxos ST30 120mm Copper Radiator Also great small cases needing reliable 120mm cooling Check price of Alphacool NexXxos ST30 120mm Copper Radiator on Amazon
5 Alphacool NexXxoS XT45 Full Copper 180mm Radiator Also great 180mm mounting space with copper core preference Check price of Alphacool NexXxoS XT45 Full Copper 180mm Radiator on Amazon
6 Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator Also great Compact 180mm copper cooling needs Check price of Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator on Amazon

Our 6 picks

Best premium

Alphacool ES HPE-60 Copper 80mm Quad Radiator

Best for: high-pressure industrial loops needing max airflow

Radiator Size
80mm Quad
Material
Copper
Dimensions
1 × 1 × 1 inches
Weight
3.45 pounds

View on Amazon: Alphacool ES HPE-60 Copper 80mm Quad Radiator

This Alphacool radiator uses full copper construction with an X-Flow design. It measures 367 by 80 by 60 mm and weighs 3.45 pounds. The unit supports up to 5 bar of operating pressure due to thicker cooling channels and reinforced weld seams. You can configure it with four single-sided or eight double-sided fans. It is a heavy-duty option for demanding industrial applications or high-performance custom loops.

Pros

  • Full copper construction for efficient heat transfer
  • Reinforced weld seams support up to 5 bar pressure
  • Flexible fan configuration for four or eight fans
  • Thicker cooling channels enhance reliability

Cons

  • Very large footprint at 367 mm in length
  • Heavy weight of 3.45 pounds
  • Small 80 mm height limits airflow volume

Good fit if

  • You need high pressure tolerance for industrial use
  • You want to mount multiple fans for maximum airflow
  • You have space for a long 367 mm unit

Skip if

  • You have limited case space for large radiators
  • You prefer lighter components for easier installation
  • You need a standard 120 mm or 140 mm fit

Verdict: Alphacool HPE-60 80mm Quad Radiator is a robust, high-pressure solution for users who prioritize durability and massive fan capacity over compact size.

Best budget

Alphacool NexXxoS XT45 120mm Copper Radiator

Best for: Single-fan builds needing copper core performance

Radiator Size
120mm
Material
copper
Thread Size
G1/4"
Fan Mount
Single Fan
Dimensions
4.88 × 6.18 × 1.81 inches
Weight
1.32 pounds

View on Amazon: Alphacool NexXxoS XT45 120mm Copper Radiator

This Alphacool radiator features a 120mm size with a 46mm depth. It uses full copper chambers and fins for heat transfer, paired with steel side panels. The unit includes six G1/4" ports for flexible tubing connections. It weighs 784g and measures 157 x 124 x 46mm. This build suits users who need a compact, single-fan cooling solution with robust copper construction for their loop.

Pros

  • Full copper chambers and fins for efficient heat dissipation
  • Six G1/4" ports for versatile tubing routing
  • Compact 120mm size fits standard single-fan mounts
  • Steel side panels add structural rigidity

Cons

  • Single 120mm size offers limited cooling surface area
  • 46mm depth may not fit in tight cases
  • Steel side panels add weight without aiding heat transfer

Good fit if

  • You have space for a single 120mm fan mount
  • You prefer copper core construction for durability
  • You need multiple G1/4" connection points

Skip if

  • You require a dual or triple fan radiator
  • Your case cannot accommodate a 46mm deep radiator
  • You need a lighter weight component under 700g

Verdict: Alphacool NexXxos XT45 120mm Copper Radiator is a solid choice for builders with limited space who prioritize copper core performance and flexible port options in a single-fan form factor.

Also great

Alphacool NexXxos UT60 120mm Copper Radiator

Best for: Compact builds needing durable copper cooling

Radiator Size
120mm
Material
Copper, brass, steel
Thread Size
G1/4"
Fan Mount
Single Fan
Dimensions
4.72 × 4.72 × 2.76 inches
Weight
1.76 pounds

View on Amazon: Alphacool NexXxos UT60 120mm Copper Radiator

This 120mm radiator uses a full copper core with steel side panels. It weighs 1,004g and measures 157 x 124 x 60mm. The unit includes six G1/4" ports for flexible tubing connections. You get a black exterior finish that matches standard PC cases. This solid build suits users who need a compact, high-density cooling solution for tight spaces.

Pros

  • Full copper core and fins for efficient heat dissipation
  • Six G1/4" ports offer versatile tubing routing options
  • Compact 120mm size fits standard single-fan mounts
  • Durable steel side panels protect the copper core

Cons

  • Heavier at 1,004g due to solid copper construction
  • Single fan size limits total cooling surface area
  • No included fan reduces immediate airflow capability

Good fit if

  • You need a compact radiator for a small form factor case
  • You want a durable copper core with steel protection
  • You require multiple connection points for custom loops

Skip if

  • You need maximum cooling performance for high-end CPUs
  • You prefer a lightweight aluminum radiator for easy mounting
  • You want a complete unit with fans included

Verdict: Alphacool NexXxos UT60 120mm Copper Radiator is a robust, compact cooling component ideal for builders prioritizing material quality and connection flexibility over raw thermal capacity.

Also great

Alphacool NexXxos ST30 120mm Copper Radiator

Best for: small cases needing reliable 120mm cooling

Radiator Size
120mm
Material
copper
Thread Size
G1/4"
Fan Mount
Single Fan
Dimensions
6.18 × 4.88 × 1.18 inches
Weight
0.47 kilograms

View on Amazon: Alphacool NexXxos ST30 120mm Copper Radiator

This Alphacool NexXxos ST30 is a 120mm single-fan radiator designed for custom liquid cooling loops. It features full copper internals for heat dissipation, paired with durable steel side panels. The unit weighs 469g and includes two G1/4" ports for tubing connections. It suits builders who need a compact, reliable cooling solution for standard 120mm fan mounts in their PC cases.

Pros

  • Full copper chambers and fins for efficient heat transfer
  • Two G1/4" threaded ports for easy tubing connection
  • Steel side panels provide structural durability
  • Compact 120mm size fits standard fan mounts

Cons

  • Single fan configuration limits cooling capacity
  • Steel exterior may add slight weight compared to all-copper designs
  • No mention of included mounting hardware or fans

Good fit if

  • You need a compact 120mm radiator for a small case
  • You prefer copper internals for better thermal performance
  • You are building a single-loop system with limited space

Skip if

  • You require high airflow from dual or triple fan setups
  • You need a radiator with included fans
  • You prefer an all-copper exterior for aesthetic matching

Verdict: Alphacool NexXxos ST30 120mm Radiator is a solid choice for users needing reliable cooling in a small form factor. It fits builders prioritizing copper internals and standard 120mm compatibility over high-volume airflow.

Also great

Alphacool NexXxoS XT45 Full Copper 180mm Radiator

Best for: 180mm mounting space with copper core preference

Radiator Size
180mm
Material
copper, steel
Thread Size
G1/4
Dimensions
8.78 × 1.77 × 7.17 inches
Weight
1.06 kilograms

View on Amazon: Alphacool NexXxoS XT45 Full Copper 180mm Radiator

This Alphacool radiator measures 180mm in length and uses a full copper core for efficient heat dissipation. It has a black finish and weighs 1.06 kilograms. The unit is 8.78 inches long, 7.17 inches high, and 1.77 inches thick. You need a 180mm fan to mount it properly. It fits well in cases that support this specific radiator size for your liquid cooling loop.

Pros

  • Full copper core construction
  • 180mm length for increased surface area
  • Black anodized finish
  • Compact 1.77 inch thickness

Cons

  • Requires a 180mm fan which is less common than 120mm
  • Heavier build at 1.06 kilograms
  • Only 180mm size option listed in data

Good fit if

  • You have a case that supports 180mm radiators
  • You want a full copper heat exchanger
  • You need a single fan mount solution

Skip if

  • You only have 120mm fan mounts available
  • You prefer aluminum over copper cores
  • You need a dual fan 240mm radiator

Verdict: Alphacool NexXxoS XT45 180mm Copper Radiator is a solid choice for builders with 180mm mounting space who prioritize copper core efficiency over standard 120mm compatibility.

Also great

Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator

Best for: Compact 180mm copper cooling needs

Radiator Size
2x180mm
Material
Copper, steel
Thread Size
G1/4"
Size
180mm
Dimensions
14.2 × 7.09 × 2.36 inches
Weight
3.8 pounds

View on Amazon: Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator

This 180mm dual-fan radiator uses full copper construction for heat dissipation. It measures 14.2 inches long, 7.09 inches wide, and 2.36 inches thick. The black finish suits standard builds. You need this if you have space for a 180mm mount. It provides a solid heat exchange surface for your loop. The 3.8-pound weight indicates substantial material use.

Pros

  • Full copper construction for efficient heat transfer
  • 180mm size fits dual 120mm fans
  • Compact 2.36-inch thickness saves space
  • Durable black finish

Cons

  • 180mm size limits placement options
  • Heavier at 3.8 pounds
  • No mention of anti-corrosion treatment

Good fit if

  • You have a 180mm mounting spot
  • You prefer copper over aluminum
  • You want a compact thickness

Skip if

  • You need a 240mm or larger radiator
  • You require a slim 1-inch profile
  • You want an aluminum build

Verdict: Alphacool NexXxoS XT45 180mm Copper Radiator fits builders with a specific 180mm slot. It offers reliable copper performance without taking up excessive depth.

Specifications side by side

Spec Alphacool ES HPE-60 Copper 80mm Quad Radiator Alphacool NexXxoS XT45 120mm Copper Radiator Alphacool NexXxos UT60 120mm Copper Radiator Alphacool NexXxos ST30 120mm Copper Radiator Alphacool NexXxoS XT45 Full Copper 180mm Radiator Alphacool NexXxoS XT45 Full Copper 180mm Dual Radiator
Radiator Size 80mm Quad 120mm 120mm 120mm 180mm 2x180mm
Material Copper copper Copper, brass, steel copper copper, steel Copper, steel
Thread Size not specified G1/4" G1/4" G1/4" G1/4 G1/4"
Fan Mount not specified Single Fan Single Fan Single Fan not specified not specified
Size 80mm 120Mm 120Mm 120Mm 180mm 180mm
Dimensions 1 × 1 × 1 inches 4.88 × 6.18 × 1.81 inches 4.72 × 4.72 × 2.76 inches 6.18 × 4.88 × 1.18 inches 8.78 × 1.77 × 7.17 inches 14.2 × 7.09 × 2.36 inches
Weight 3.45 pounds 1.32 pounds 1.76 pounds 0.47 kilograms 1.06 kilograms 3.8 pounds
Color Black not specified not specified not specified Black Black
Model 10233 14163 14172 14156 14186 14187

Frequently asked questions

Are these Alphacool radiators compatible with M.2 SSD cooling?

These components are liquid cooling radiators, not direct M.2 cold plates. You would need to integrate them into a custom loop that circulates coolant past your drive. The S erounder block is a specialized cold plate. These Alphacool units provide the heat exchange surface for that loop rather than attaching directly to the SSD.

What material are the cores of these Alphacool radiators made from?

All listed models feature copper cores. Copper offers superior thermal conductivity compared to aluminum. This material choice helps dissipate heat from the coolant more efficiently. You get robust cooling performance, though copper is generally heavier and more expensive than aluminum alternatives in the liquid cooling market.

Which radiator is best for a single 120mm fan slot?

The NexXxoS XT45 120mm is designed for single-fan builds. It measures 4.88 by 6.18 by 1.81 inches. This compact footprint fits standard 120mm mounting spaces. It provides solid copper core performance without requiring the larger chassis space needed for dual or quad-fan radiators.

How thick are the standard 120mm Alphacool radiators?

Thickness varies by model. The NexXxoS ST30 is 1.18 inches thick. The NexXxoS XT45 is 1.81 inches thick. The NexXxoS UT60 is 2.76 inches thick. You should check your case clearance carefully. Thicker radiators offer more cooling surface area but require more vertical space inside your chassis.

Is there a heavy-duty option for high-pressure loops?

The ES HPE-60 80mm Quad Radiator is built for high-pressure industrial applications. It features reinforced weld seams and thick cooling channels. This model prioritizes durability and massive fan capacity. It is a robust solution for users who need maximum airflow and can accommodate its specific 80mm form factor.

What are the options for 180mm mounting spaces?

Alphacool offers two 180mm copper radiators: the XT45 and the dual XT45. The single 180mm model measures 8.78 by 7.17 by 1.77 inches. The dual version is larger at 14.2 by 7.09 by 2.36 inches. Both provide reliable copper performance for builds with specific 180mm mounting slots available.

Do these radiators include fans?

The provided data does not list fans as included components. These are bare radiators designed to be paired with your choice of fans. You will need to source compatible 120mm, 80mm, or 180mm fans separately. This allows you to select fans based on your noise and airflow preferences.

See also