As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

Alphacool Eisblock Aurora Acryl GPX-N Alternatives: 6 Similar Picks Compared

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

You are looking for alphacool eisblock aurora acryl gpx n alternatives to match your specific build requirements. The original Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block offers full-coverage liquid cooling with an acrylic top and included backplate for reference 4090 cards. It serves as a direct, spec-aligned cooling solution for high-load custom loops. Its large dimensions, measuring 19.7 inches in width and length, provide extensive cooling surface area. The unit weighs 2.2 pounds and features ARGB lighting for aesthetic integration.

You might want something else if your case cannot accommodate such a large GPU block or if you need cooling for different components like CPUs or RAM. The alternatives were chosen because their specs overlap with the original in terms of material quality and loop compatibility. This list includes options for AMD CPU sockets, system memory, reservoirs, and radiators. Each pick addresses a different part of your custom loop while maintaining the premium acrylic and copper construction found in the primary product. You can select components that fit your exact spatial constraints and thermal needs without compromising on loop performance.

Comparing These Alternatives

Watercool HEATKILLER IV PRO Acrylic AMD Water Block

This Watercool block targets AMD processors rather than NVIDIA graphics cards. It features a copper base with an acrylic top, measuring 5.51 by 4.33 inches. This size fits AM4 and AM5 sockets directly. The original unit covers a large GPU surface area with ARGB lighting. This CPU block provides direct jet flow cooling for heavy-gauge 19/13 fittings. You should choose this if you need to cool an AMD CPU in a custom loop. It replaces the GPU focus with processor thermal management. The copper construction offers different material properties than the acrylic-heavy GPU block. It serves a distinct component in your liquid cooling system.

Alphacool Aurora Acryl X4 RAM Water Block

The Alphacool Aurora Acryl X4 RAM block cools system memory instead of the GPU. It uses a nickel-plated copper plate with addressable LEDs. The dimensions are 6.3 by 2.76 inches, fitting standard RAM modules. The original block covers the entire graphics card with a large acrylic top. This RAM block expands your existing custom loop with dedicated memory cooling. It shares the Aurora aesthetic with ARGB support. You should pick this if you want to cool RAM in addition to your GPU. It adds thermal capacity to memory chips. The smaller footprint makes it suitable for tight spaces near the CPU. It complements the GPU block rather than replacing it.

Alphacool Eisball D5 Reservoir and Pump Top

This Alphacool reservoir and pump top holds 700 ml of coolant. It features digital RGB lighting and fits standalone D5 pumps. The unit measures 5.04 by 5.04 inches. The original product is a GPU water block with no reservoir function. This item provides fluid storage and circulation power for your loop. You should choose this if you need a reservoir with a D5 pump. It uses nylon and acrylic materials. The digital RGB lighting matches the Aurora aesthetic of the GPU block. It serves as a central component for fluid management. This alternative addresses loop maintenance and pump integration rather than direct component cooling.

Alphacool NexXxos 240mm Full Copper Radiator

The NexXxos 240mm radiator provides heat dissipation for your liquid cooling loop. It features a 46mm-thick copper core with multi-port layout. The size is 240mm, fitting dual 120mm fans. The original GPU block transfers heat to the fluid. This radiator releases that heat into the air. It uses copper construction for high thermal capacity. You should pick this if you need a compact radiator for your custom loop. It complements the GPU block by handling thermal rejection. The multi-port design offers flexible tubing connections. This component is essential for maintaining loop temperatures. It differs from the GPU block by focusing on air-to-liquid heat exchange.

Alphacool NexXxos UT60 120mm Copper Radiator

The NexXxos UT60 120mm radiator is a single-fan unit with a copper core. It measures 4.72 by 4.72 inches with a 2.76-inch height. The original GPU block is much larger and covers a full graphics card. This radiator offers compact cooling for space-constrained builds. It uses steel sides and a copper core. You should choose this if you need a small radiator for a tight case. It fits single 120mm fan mounts. This component handles heat rejection for your loop. It differs from the GPU block by providing airflow-based cooling. It is ideal for builds where space is limited but liquid cooling is required.

Alphacool NexXxoS ST30 280mm Copper Radiator

The NexXxoS ST30 280mm radiator features an all-copper build in a slim profile. It measures 12.6 by 5.67 inches with a height of 1.18 inches. The original GPU block is significantly thicker and covers a large surface area. This radiator offers effective cooling in a low-clearance space. It uses a 280mm footprint for broad heat dissipation. You should pick this if you need a slim radiator for your custom loop. It avoids clearance issues with taller components. The all-copper construction ensures high thermal performance. This component complements the GPU block by managing loop heat. It is suitable for cases with restricted vertical space.

Quick picks

#ProductBest forPrice
1 Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block Best overall cooling reference RTX 4090 graphics cards Check price of Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block on Amazon
2 Watercool HEATKILLER IV PRO Acrylic AMD Water Block Best am4 AMD custom loop CPU cooling setups Check price of Watercool HEATKILLER IV PRO Acrylic AMD Water Block on Amazon
3 Alphacool Aurora Acryl X4 RAM Water Block Also great custom loop liquid cooling for system memory Check price of Alphacool Aurora Acryl X4 RAM Water Block on Amazon
4 Alphacool Eisball D5 Reservoir and Pump Top Also great custom loops using standalone D5 pumps Check price of Alphacool Eisball D5 Reservoir and Pump Top on Amazon
5 Alphacool NexXxos 240mm Full Copper Radiator Best premium compact custom loops needing multi-port 240mm cooling Check price of Alphacool NexXxos 240mm Full Copper Radiator on Amazon
6 Alphacool NexXxos UT60 120mm Copper Radiator Best single fan Compact single-fan custom loop builds Check price of Alphacool NexXxos UT60 120mm Copper Radiator on Amazon
7 Alphacool NexXxoS ST30 280mm Copper Radiator Best budget slim 280mm custom liquid cooling loops Check price of Alphacool NexXxoS ST30 280mm Copper Radiator on Amazon

Our 7 picks

Best overall

Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block

Best for: cooling reference RTX 4090 graphics cards

Lighting
12 digital aRGB LEDs, 5V
Material
Chrome-plated copper, acrylic, aluminum
Thread Size
G1/4
Dimensions
19.7 × 19.7 × 11 inches
Weight
2.2 pounds

View on Amazon: Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block Affiliate link

This GPU water block delivers custom loop liquid cooling for reference design RTX 4090 cards. Built from clear acrylic, it features integrated ARGB illumination and comes with an included backplate. An updated jet plate and adapted cooling fin structure direct liquid flow across critical components. Weighing 2.2 pounds, this full-cover cooler suits you if you want to cool a reference RTX 4090 graphics card inside a dedicated custom cooling loop.

Pros

  • Includes a matching backplate in the box
  • Clear acrylic construction with integrated ARGB illumination
  • Modified jet plate designed for optimal water distribution
  • Adapted fin structure engineered for RTX 4XXX heat dissipation

Cons

  • Limited strictly to reference RTX 4090 board designs
  • Total weight reaches 2.2 pounds before adding fluid

Good fit if

  • You have a reference layout Nvidia GeForce RTX 4090 card.
  • You want an acrylic block with integrated ARGB lighting.
  • You need a cooling package that includes a backplate.

Skip if

  • You use a custom non-reference PCB graphics card.
  • You need a block for CPU or RAM cooling instead of a GPU.

Verdict: Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block provides full-coverage liquid cooling with an acrylic top and included backplate for reference 4090 cards. It serves as a direct, spec-aligned cooling solution for high-load custom loops.

Best am4

Watercool HEATKILLER IV PRO Acrylic AMD Water Block

Best for: AMD custom loop CPU cooling setups

Material
Copper
Socket Compatibility
AM4, AM5
Dimensions
5.51 × 4.33 × 1.97 inches
Weight
10.9 ounces

View on Amazon: Watercool HEATKILLER IV PRO Acrylic AMD Water Block Affiliate link

The Watercool HEATKILLER IV PRO is an acrylic and copper CPU water block designed for AMD sockets including AM4 and AM5. You get an integrated jet structure without a separate jet plate, plus support for large 16/10 and 19/13 fittings. It suits your build if you want an alternative to Alphacool blocks with dedicated AMD mounting spanning legacy sockets up to modern AM5 platforms in a standard custom liquid loop.

Pros

  • Cooling structure features integrated jet without a separate jet plate
  • Wide AMD socket compatibility including AM4, AM5, and legacy sockets
  • Fitting clearance accommodates large 16/10 and 19/13 sizes

Cons

  • Compatibility limited exclusively to AMD sockets
  • No integrated RGB lighting included in the acrylic housing

Good fit if

  • You run an AMD AM4, AM5, or supported legacy processor.
  • You build with larger 16/10 or 19/13 custom loop fittings.

Skip if

  • You build on an Intel processor platform.
  • You need a dedicated GPU block instead of CPU cooling.

Verdict: Watercool HEATKILLER IV PRO AMD Acrylic CPU Water Block delivers direct jet flow cooling across modern and legacy AMD sockets. It fits builds requiring heavy-gauge 19/13 fittings without spacing conflicts.

Also great

Alphacool Aurora Acryl X4 RAM Water Block

Best for: custom loop liquid cooling for system memory

Lighting
Digital RGB, 3-Pin 5V
Material
Nickel-plated copper, acrylic
Thread Size
G1/4
Dimensions
6.3 × 2.76 × 1.57 inches
Weight
5.28 ounces

View on Amazon: Alphacool Aurora Acryl X4 RAM Water Block Affiliate link

The Alphacool Aurora Acryl X4 RAM Water Block is an acrylic and copper cooling block designed for your system memory. It features a 4 mm thick nickel-plated copper cold plate paired with an acrylic top and flush-mounted digital RGB lighting. At 128 x 45 x 19 mm, it mounts across up to four modules. It suits you if you want dedicated memory liquid cooling that integrates with an existing custom loop setup.

Pros

  • 4 mm thick nickel-plated copper cooling block
  • Integrated flush-mounted addressable digital RGB LED strip
  • Clear acrylic top construction
  • Compact profile measuring 128 x 45 x 19 mm

Cons

  • Requires separate Alphacool D-RAM modules to install on memory
  • Cools memory only, not graphics cards or processors

Good fit if

  • You want dedicated liquid cooling for your RAM in a custom loop.
  • You use compatible Alphacool D-RAM module heatsinks.
  • You want digital RGB illumination integrated directly into your memory block.

Skip if

  • You need a full-cover GPU water block like the Eisblock Aurora GPX-N.
  • You run memory without Alphacool D-RAM module adapters.

Verdict: Alphacool Aurora Acryl X4 RAM Water Block adds dedicated liquid cooling to system memory using a nickel-plated copper plate and addressable LEDs. It expands an existing custom loop when paired with compatible module heatsinks.

Also great

Alphacool Eisball D5 Reservoir and Pump Top

Best for: custom loops using standalone D5 pumps

Lighting
22 digital RGB LEDs, 5 VDC, 4-pin
Reservoir Capacity
700 ml
Thread Size
G1/4
Material
Acrylic, Plexi
Pump Compatibility
D5
Dimensions
4.63 × 5.04 × 5.04 inches

View on Amazon: Alphacool Eisball D5 Reservoir and Pump Top Affiliate link

The Alphacool Eisball is a spherical liquid cooling reservoir and D5 pump top. You get a 700 ml fluid capacity inside a transparent nylon body paired with an acetal pump mount. Built-in digital RGB lighting illuminates the coolant inside the sphere. This unit suits you if you need a high-capacity reservoir that integrates directly with a standalone D5 pump for your custom cooling loop.

Pros

  • Holds 700 ml of liquid coolant
  • Integrated mount fits standard D5 pumps
  • Features addressable digital RGB illumination
  • Constructed from transparent nylon and acetal

Cons

  • Does not include a D5 pump motor
  • Requires clearance for 117.51 x 128 x 128 mm dimensions

Good fit if

  • You already own or plan to supply your own D5 pump.
  • You need a reservoir with a 700 ml fluid capacity.
  • You want digital RGB lighting integrated into your reservoir assembly.

Skip if

  • You need a unit that includes the pump motor in the box.
  • You have tight chassis clearance that cannot fit a 128 mm spherical shape.

Verdict: Alphacool Eisball 700ml D5 Reservoir combines a 700 ml nylon reservoir with a dedicated D5 pump top and digital RGB lighting. It provides a unique reservoir layout if you supply your own D5 pump unit.

Best premium

Alphacool NexXxos 240mm Full Copper Radiator

Best for: compact custom loops needing multi-port 240mm cooling

Radiator Size
240mm
Material
Copper
Thread Size
G1/4
Dimensions
4.88 × 11 × 1.81 inches
Weight
1.32 pounds

View on Amazon: Alphacool NexXxos 240mm Full Copper Radiator Affiliate link

This is a 240mm dual-fan liquid cooling radiator built with copper cooling fins, chambers, and channels. It measures 46mm thick, providing deeper surface area than standard 30mm designs while fitting dual 120mm fan setups. With six standard G1/4-inch ports, it gives you flexible tubing routing options. You will find it suits compact to mid-size custom loops requiring high heat dissipation without expanding to larger 280mm or 360mm radiator frame sizes.

Pros

  • Full copper fins, channels, and water chambers
  • Six G1/4-inch threaded ports for flexible routing
  • 46mm thickness provides extra volume over slim radiators
  • Standard dual 120mm fan frame mounting

Cons

  • 46mm thickness demands extra clearance inside compact chassis
  • Limited to 120mm fan mount configurations rather than 140mm

Good fit if

  • You want a full-copper 240mm radiator with six G1/4-inch connection points.
  • You have chassis depth to clear a 46mm thick radiator plus fans.

Skip if

  • You require a slim 30mm profile radiator to clear motherboard components.
  • You design your loop around 140mm fan mounting locations.

Verdict: Alphacool NexXxos XT45 240mm Copper Radiator delivers solid heat capacity through its 46mm-thick copper core and multi-port layout. It provides a practical liquid-cooling solution for cases supporting dual 120mm fan spacing.

Best single fan

Alphacool NexXxos UT60 120mm Copper Radiator

Best for: Compact single-fan custom loop builds

Radiator Size
120mm
Material
Copper
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 Affiliate link

The Alphacool NexXxos UT60 is a 120mm single-fan radiator designed for compact custom loops. It features a full copper core with steel side panels and six G1/4" ports for flexible tubing connections. Weighing just over 1.76 pounds, it offers a compact footprint of 157 x 124 x 60mm. This unit suits builders who need a dedicated single-fan cooling solution for high-end GPUs or CPUs in space-constrained cases.

Pros

  • Full copper construction for core and fins
  • Six G1/4" threaded ports for connectivity
  • Compact 120mm single-fan form factor
  • Steel side panels for durability

Cons

  • Single fan configuration limits total airflow
  • Only 120mm size restricts heat dissipation capacity
  • Steel sides may slightly reduce surface area compared to all-copper designs

Good fit if

  • You need a dedicated single-fan radiator for a specific component
  • You are building a compact custom loop with limited space
  • You prefer copper cores with steel side panels

Skip if

  • You require multi-fan configurations for higher cooling performance
  • You need larger sizes like 240mm or 360mm
  • You prefer all-copper construction without steel sides

Verdict: Alphacool NexXxos UT60 Single Fan Radiator fits builders needing a compact 120mm single-fan radiator with copper core and steel sides. It is ideal for space-constrained custom loops where a single fan is sufficient for component cooling.

Best budget

Alphacool NexXxoS ST30 280mm Copper Radiator

Best for: slim 280mm custom liquid cooling loops

Radiator Size
280mm
Material
Copper
Thread Size
G1/4
Dimensions
12.6 × 5.67 × 1.18 inches
Weight
0.86 kilograms

View on Amazon: Alphacool NexXxoS ST30 280mm Copper Radiator Affiliate link

This is a 280mm custom loop radiator built from copper with a black finish. It features a slim 1.18-inch profile, a length of 12.6 inches, and a width of 5.67 inches. Weighing 0.86 kilograms, it is designed for dual 140mm fan configurations. It suits you if you need a low-profile copper heat exchanger for cases with limited clearance around motherboard components.

Pros

  • Full copper material construction
  • Slim 1.18-inch profile fits tight clearance locations
  • 280mm surface area supports dual 140mm fans
  • Lightweight build at 0.86 kilograms

Cons

  • Provides less core volume than 1.57-inch and 1.97-inch variants
  • Requires 5.67 inches of chassis width clearance

Good fit if

  • You have mounting space for a 280mm, 12.6-inch long radiator.
  • You need a slim 1.18-inch thickness to clear internal components.
  • You want a copper radiator with a black finish.

Skip if

  • You have a chassis that only supports 120mm fan widths.
  • You prefer the greater thickness of 1.57-inch or 1.97-inch models.

Verdict: Alphacool NexXxoS ST30 Copper 280mm Radiator delivers an all-copper build inside a slim 1.18-inch profile. It is an effective solution when your custom loop requires a 280mm footprint without the clearance issues of thicker frames.

Specifications side by side

Spec Alphacool Eisblock Aurora Acryl RTX 4090 GPU Block Watercool HEATKILLER IV PRO Acrylic AMD Water Block Alphacool Aurora Acryl X4 RAM Water Block Alphacool Eisball D5 Reservoir and Pump Top Alphacool NexXxos 240mm Full Copper Radiator Alphacool NexXxos UT60 120mm Copper Radiator Alphacool NexXxoS ST30 280mm Copper Radiator
Radiator Size not stated not stated not stated not stated 240mm 120mm 280mm
Lighting 12 digital aRGB LEDs, 5V not stated Digital RGB, 3-Pin 5V 22 digital RGB LEDs, 5 VDC, 4-pin not stated not stated not stated
Material Chrome-plated copper, acrylic, aluminum Copper Nickel-plated copper, acrylic not stated Copper Copper Copper
Reservoir Capacity not stated not stated not stated 700 ml not stated not stated not stated
Thread Size G1/4 not stated G1/4 G1/4 G1/4 G1/4 G1/4
Socket Compatibility not stated AM4, AM5 not stated not stated not stated not stated not stated
Pump Compatibility not stated not stated not stated D5 not stated not stated not stated
Fan Mount not stated not stated not stated not stated not stated Single Fan not stated
Size not stated not stated not stated not stated 240Mm 120Mm 280mm
Dimensions 19.7 × 19.7 × 11 inches 5.51 × 4.33 × 1.97 inches 6.3 × 2.76 × 1.57 inches 4.63 × 5.04 × 5.04 inches 4.88 × 11 × 1.81 inches 4.72 × 4.72 × 2.76 inches 12.6 × 5.67 × 1.18 inches
Weight 2.2 pounds 10.9 ounces 5.28 ounces 1.42 pounds 1.32 pounds 1.76 pounds 0.86 kilograms
Color ARGB Copper Black Argb black Black black
Model 13429 18019 17467 15362 14164 14172 14197

Frequently asked questions

Can I use the Alphacool Eisblock Aurora Acryl RTX 4090 block on non-reference cards?

No. This block is designed specifically for reference RTX 4090 graphics cards. It includes a backplate that matches the standard reference layout. Custom PCBs with different component placements or cooler shrouds will not fit the full-coverage design. You need a block made for your specific card model.

What is the best alternative for AMD CPU cooling in a custom loop?

The Watercool HEATKILLER IV PRO Acrylic AMD Water Block is the top choice. It supports both AM4 and AM5 sockets. The block features a copper base for heat transfer and an acrylic top for visibility. It is built for direct jet flow cooling across modern AMD processors.

Does the Alphacool Eisball reservoir come with a pump included?

No. The Eisball 700ml D5 Reservoir includes a dedicated D5 pump top but requires you to supply your own D5 pump unit. It combines a 700 ml nylon reservoir with digital RGB lighting. You must purchase the pump separately to complete the assembly.

Which Alphacool radiator is best for a compact single-fan setup?

The Alphacool NexXxos UT60 120mm Copper Radiator is ideal for single-fan builds. It features a copper core and steel sides. The unit measures 4.72 by 4.72 inches. It provides a compact solution for space-constrained custom loops where a single fan is sufficient for cooling.

Can I add RAM cooling to my existing Alphacool loop?

Yes. The Alphacool Aurora Acryl X4 RAM Water Block adds dedicated liquid cooling to system memory. It uses a nickel-plated copper plate and addressable LEDs. You must pair it with compatible module heatsinks to expand your existing custom loop effectively.

What size is the NexXxos 240mm Full Copper Radiator?

The NexXxos XT45 240mm Copper Radiator measures 11 inches in width and 4.88 inches in length. It has a 46mm-thick copper core. The unit weighs 1.32 pounds. It provides a practical solution for cases supporting dual 120mm fan spacing and multi-port layouts.

Is the NexXxoS ST30 radiator thick or slim?

The NexXxoS ST30 Copper 280mm Radiator is a slim option. It has a profile height of 1.18 inches. The unit features an all-copper build inside a black finish. It is effective for loops requiring a 280mm footprint without the clearance issues of thicker frames.

See also