Alphacool Eisblock Aurora Geforce RTX Alternatives: 6 Similar Picks Compared
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You need reliable liquid cooling for high-end graphics cards, and the alphacool eisblock aurora geforce rtx alternatives list helps you find the right components. The original Alphacool Eisblock Aurora RTX 4090 Water Block delivers dedicated cooling with ARGB lighting and an included backplate. Its design features a modified jet plate and optimized fin structure for better water flow. These technical highlights ensure effective heat dissipation for the powerful RTX 4090 GameRock and Phantom models.
You might want something else if your case requires a different radiator size or if you need a more budget-friendly option. Some builders prefer single-fan setups or compact 40mm radiators for tight spaces. The alternatives in this guide were chosen because their specs overlap with the original product. This includes copper construction and specific fan mount compatibility. You can compare these picks to find the best fit for your custom loop without compromising on cooling performance or physical dimensions.
How alternatives compare
Alphacool NexXxos 240mm Full Copper Radiator
The NexXxos 240mm Full Copper Radiator serves as a heat exchanger rather than a component cover. It uses pure copper internals and offers six G1/4-inch ports for flexible tubing connections. This 240mm size fits standard dual 120mm fan bays, providing balanced cooling capacity without the bulk of thicker units. Unlike the water block, which manages GPU heat directly, this radiator dissipates heat from the loop fluid. You should pick this if you need a reliable core component for a custom loop that includes the Eisblock block. It weighs 1.32 pounds and measures 11 inches wide.
Alphacool NexXxos UT60 120mm Copper Radiator
The NexXxos UT60 120mm Copper Radiator is designed for tight cases where space is the primary constraint. It features a single fan mount and a compact 120mm footprint. This radiator provides high-quality copper construction in a smaller form factor compared to larger 240mm or 280mm options. It does not cover your graphics card like the Eisblock Aurora block. Instead, it cools the liquid circulating through your system. Choose this if your chassis cannot accommodate larger radiators but still requires efficient heat dissipation. It weighs 1.76 pounds and has a height of 2.76 inches.
Alphacool NexXxoS ST30 280mm Copper Radiator
The NexXxoS ST30 280mm Copper Radiator offers full copper construction in a low-profile 1.18-inch frame. It provides broad dual-fan heat dissipation, making it suitable for chassis that cannot accommodate thicker radiator models. This 280mm size allows for more surface area than the 240mm or 120mm alternatives. It functions as a heat exchanger for your custom loop, not a direct GPU cover. Select this option if you need strong cooling performance in a slim profile. It weighs 0.86 kilograms and measures 12.6 inches in length with a width of 5.67 inches.
Alphacool NexXxoS XT45 40mm Copper Radiator
The NexXxoS XT45 40mm Copper Radiator is a specialized heat exchanger for very tight spaces. It is ideal for low-power components or secondary loops where standard radiators do not fit. This 40mm size is significantly smaller than the 240mm or 280mm options. It does not replace the function of the Eisblock water block, which is designed for high-heat GPU output. Use this radiator if you need to add cooling to a compact build without taking up much room. It weighs 0.34 kilograms and measures 5.79 inches in length.
Alphacool NexXxoS XT45 92mm Copper Radiator
The NexXxoS XT45 92mm Copper Radiator provides a full copper cooling surface for enclosures with 92mm mount points. Its 2.36-inch thickness and 15.9-ounce weight make it a targeted option for compact custom cooling configurations. This radiator is not a GPU block but a component that cools the loop fluid. It is larger than the 40mm option but smaller than standard 120mm radiators. Pick this if your case has specific 92mm mounting holes and you need efficient heat transfer. It measures 3.94 inches in width and length, fitting into unique spatial constraints.
Alphacool NexXxoS XT45 60mm Dual Copper Radiator
The NexXxoS XT45 60mm Dual Copper Radiator delivers an all-copper build for compact cooling loops. It requires a 4.72-inch footprint and is designed for dual-fan setups in small spaces. This radiator cools the liquid in your custom loop rather than covering the graphics card directly. It is larger than the 40mm and 92mm options but smaller than the 240mm model. Choose this if you need a dual-fan radiator that fits into tight enclosures. It weighs 0.41 kilograms and has a square footprint of 2.36 inches by 2.36 inches.
Quick picks
Our 7 picks
Alphacool Eisblock Aurora RTX 4090 Water Block
Best for: RTX 4090 GameRock and Phantom custom loops
- Lighting
- 12 digital aRGB LEDs, 5V
- Material
- Chrome-plated copper, acrylic, aluminum
- Thread Size
- G1/4
- Weight
- 3.4 pounds
View on Amazon: Alphacool Eisblock Aurora RTX 4090 Water Block
This GPU water block cools Geforce RTX 4090 GameRock and Phantom graphics cards in custom liquid loops. It includes an integrated backplate, addressable RGB lighting, and an adapted fin structure designed with Nvidia board partners. A modified jet plate with an improved inflow engine directs coolant over the expanded surface. At 3.4 pounds, it suits you if you need dedicated liquid cooling for these specific RTX 40XX series cards.
Pros
- Includes dedicated backplate
- Integrated ARGB lighting
- Modified jet plate with improved inflow engine
- Adapted fin structure for increased cooling surface
Cons
- Fits only Geforce RTX 4090 GameRock and Phantom cards
- Heavy unit at 3.4 pounds before adding coolant
Good fit if
- You build a custom loop for an RTX 4090 GameRock or Phantom card.
- You want ARGB lighting built into the water block.
- You require an included backplate with your GPU block.
Skip if
- You use any graphics card other than the RTX 4090 GameRock or Phantom.
- You need a lightweight GPU cooler under 3.4 pounds.
Verdict: Alphacool Eisblock Aurora RTX 4090 Block with Backplate delivers dedicated liquid cooling, ARGB lighting, and an included backplate for compatible RTX 4090 cards.
Alphacool NexXxos 240mm Full Copper Radiator
Best for: dual 120mm mounts needing multiple port options
- Radiator Size
- 240mm
- Material
- Copper
- Thread Size
- G1/4"
- Fan Mount
- Dual Fan
- Dimensions
- 4.88 × 11 × 1.81 inches
- Weight
- 1.32 pounds
View on Amazon: Alphacool NexXxos 240mm Full Copper Radiator
This dual-fan 240mm liquid cooling radiator measures 280 by 124 by 46 millimeters and fits two standard 120mm fans. You get all-copper cooling channels, fins, and chambers paired with brass threads and steel side panels. Six G1/4-inch ports allow flexible routing options in custom loops. It suits you if you need a mid-thickness 46mm heat exchanger to cool components without taking up extra vertical space.
Pros
- Six G1/4-inch ports for flexible loop routing
- Full copper construction across fins, channels, and chambers
- Mid-range 46mm thickness balances airflow resistance and surface area
- Steel side panels protect the internal fin core
Cons
- 46mm thickness requires more clearance than slim 30mm radiators
- Weighs 1,199g before adding coolant and cooling fans
Good fit if
- You have chassis space for a 46mm thick 240mm radiator setup.
- You need multiple inlet and outlet port configurations in your loop.
Skip if
- You require a slim 30mm profile to clear motherboard components.
- You use cases designed exclusively for 140mm fan mounts.
Verdict: Alphacool NexXxoS XT45 240mm Radiator delivers solid heat transfer through pure copper internals and six accessible G1/4-inch ports. It provides balanced cooling capacity for standard dual 120mm fan bays without the bulk of 60mm units.
Alphacool NexXxos UT60 120mm Copper Radiator
Best for: compact single-fan liquid cooling setups
- Radiator Size
- 120mm
- Material
- Copper chambers, fins, channels
- 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
The Alphacool UT60 is a 120mm single-fan radiator designed for compact builds. It features a full copper construction with steel side panels and brass G1/4" ports. Weighing 1.76 pounds, it offers a slim 60mm thickness. This unit suits users needing a small footprint for single-fan setups. It provides reliable heat dissipation in tight spaces without requiring large case dimensions.
Pros
- Full copper core and fins for efficient heat transfer
- Compact 120mm size fits small form factor cases
- Six G1/4" ports for flexible tubing connections
- Slim 60mm profile allows single-fan mounting
Cons
- Single fan limits cooling capacity compared to dual or triple units
- Steel side panels may offer slightly less thermal mass than all-copper variants
- No included fans require separate purchase
Good fit if
- You need a radiator for a single 120mm fan
- You are building a compact PC with limited space
- You prefer copper construction for durability
Skip if
- You require maximum cooling performance for high-end CPUs
- You need a radiator that includes fans
- You have space for larger 240mm or 360mm units
Verdict: Alphacool UT60 Single Fan 120mm Radiator fits users who need a compact, high-quality copper radiator for tight cases. It is ideal for builds where space is the primary constraint.
Alphacool NexXxoS ST30 280mm Copper Radiator
Best for: slim dual-140mm custom loop clearance setups
- Radiator Size
- 280mm
- Material
- copper, steel
- 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
This component is a 280mm liquid cooling radiator built with full copper construction and a black finish. It measures 12.6 inches long, 5.67 inches wide, and has a slim 1.18-inch profile. Weighing 0.86 kilograms, it fits cases designed for dual 140mm fan setups. You get full copper heat transfer in a slim frame, making it suitable if your custom loop requires broad cooling surface area without demanding excessive mounting depth inside your chassis.
Pros
- Full copper material construction
- Slim 1.18-inch profile height
- 280mm radiator size for dual 140mm mounts
- Lightweight build at 0.86 kilograms
Cons
- 5.67-inch width exceeds standard 120mm mount spacing
- 1.18-inch thickness provides less surface area than 1.57-inch or 1.97-inch variants
Good fit if
- You need a 280mm full copper radiator for 140mm fan spacing.
- You require a slim 1.18-inch radiator height for tight clearances.
- You want a lightweight copper radiator weighing 0.86 kilograms.
Skip if
- You have a chassis limited to 120mm-width radiator mounts.
- You want a thicker radiator core such as 1.57-inch or 1.97-inch options.
Verdict: Alphacool NexXxoS Copper 280mm Radiator delivers full copper construction in a low-profile 1.18-inch frame. It provides broad dual-fan heat dissipation when your chassis cannot accommodate thicker radiator models.
Alphacool NexXxoS XT45 40mm Copper Radiator
Best for: compact secondary loops or tight cases
- Radiator Size
- 40mm
- Material
- copper, steel
- Dimensions
- 5.79 × 1.57 × 1.61 inches
- Weight
- 0.34 kilograms
This is a 40mm full copper radiator designed for compact liquid cooling loops. It measures 5.79 inches in length and weighs 0.34 kilograms. The black finish fits modern builds. You need this unit if your case has limited space for a 40mm fan. It provides a small heat exchange surface area for low-TDP components or secondary loops.
Pros
- Full copper construction for efficient heat transfer
- Compact 40mm thickness fits tight spaces
- Lightweight at 0.34 kilograms
- Black color matches aesthetic builds
Cons
- Very small 40mm size limits cooling capacity
- Single fan configuration offers minimal airflow
- No included fans or mounting hardware
Good fit if
- You are building a small form factor PC
- You need a radiator for a secondary loop
- You have a case with a 40mm fan mount
Skip if
- You need to cool a high-TDP GPU
- You want a single-unit solution with fans
- You require high airflow for overclocking
Verdict: Alphacool NexXxoS XT45 40mm Copper Radiator is a specialized heat exchanger for tight spaces. It fits users who need a small radiator for low-power components or secondary loops.
Alphacool NexXxoS XT45 92mm Copper Radiator
Best for: compact custom loops needing 92mm copper radiators
- Radiator Size
- 92mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 3.94 × 3.94 × 2.36 inches
- Weight
- 15.9 ounces
This is a compact liquid cooling component built with full copper construction and designed for single-fan setups. It measures 3.94 inches long, 3.94 inches wide, and 2.36 inches tall, weighing 15.9 ounces. The black unit supports a 92mm footprint, making it a viable option when you need to route cooling into tight enclosure spaces. It suits you if your custom loop requires a small dedicated copper heat exchanger for limited mounting areas.
Pros
- Full copper material construction
- Compact 92mm single radiator form factor
- Small 3.94 by 3.94 inch footprint
- Weighs 15.9 ounces
Cons
- Limited to 92mm mounting locations
- Requires 2.36 inches of clearance for thickness
Good fit if
- You need a compact 92mm copper heat exchanger for your loop.
- You have 2.36 inches of clearance for radiator thickness.
Skip if
- You require standard 120mm or 140mm fan mount spacing.
- You need a radiator thinner than 2.36 inches.
Verdict: Alphacool NexXxoS Copper 92mm Radiator provides a full copper cooling surface for enclosures with 92mm mount points. Its 2.36-inch thickness and 15.9-ounce weight make it a targeted option for compact custom cooling configurations.
Alphacool NexXxoS XT45 60mm Dual Copper Radiator
Best for: compact liquid loops needing 60mm dual radiators
- Radiator Size
- 60mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 4.72 × 2.36 × 2.36 inches
- Weight
- 0.41 kilograms
View on Amazon: Alphacool NexXxoS XT45 60mm Dual Copper Radiator
This is a compact dual-fan radiator designed for custom liquid cooling loops. It features full copper construction, measures 4.72 inches long by 2.36 inches wide, and has a height of 2.36 inches. Weighing 0.41 kilograms with a black finish, it suits you if your chassis specifically accepts 60mm fan mounts and demands copper internals instead of aluminum.
Pros
- Full copper construction
- Compact footprint at 4.72 inches long and 2.36 inches wide
- Lightweight design at 0.41 kilograms
Cons
- Small 60mm dual form factor limits total surface area
- Fans and mounting hardware not listed in specifications
Good fit if
- You need a compact copper radiator measuring 4.72 inches long.
- You build custom liquid cooling loops with 60mm dual fan mounts.
Skip if
- You need standard 120mm or 140mm fan mounting points.
- You require a direct-mount GPU water block rather than a heat exchanger.
Verdict: Alphacool NexXxoS XT45 Copper 60mm Dual Radiator delivers an all-copper build for compact cooling loops requiring a 4.72-inch footprint.
Specifications side by side
| Spec | Alphacool Eisblock Aurora RTX 4090 Water Block | Alphacool NexXxos 240mm Full Copper Radiator | Alphacool NexXxos UT60 120mm Copper Radiator | Alphacool NexXxoS ST30 280mm Copper Radiator | Alphacool NexXxoS XT45 40mm Copper Radiator | Alphacool NexXxoS XT45 92mm Copper Radiator | Alphacool NexXxoS XT45 60mm Dual Copper Radiator |
|---|---|---|---|---|---|---|---|
| Radiator Size | not specified | 240mm | 120mm | 280mm | 40mm | 92mm | 60mm |
| Lighting | 12 digital aRGB LEDs, 5V | not specified | not specified | not specified | not specified | not specified | not specified |
| Material | Chrome-plated copper, acrylic, aluminum | Copper | Copper chambers, fins, channels | copper, steel | copper, steel | Copper | Copper |
| Thread Size | G1/4 | G1/4" | G1/4" | G1/4 | not specified | G1/4 | G1/4 |
| Fan Mount | not specified | Dual Fan | Single Fan | not specified | not specified | not specified | not specified |
| Size | not specified | 240Mm | 120Mm | 280mm | 40mm | 92mm | 60mm |
| Weight | 3.4 pounds | 1.32 pounds | 1.76 pounds | 0.86 kilograms | 0.34 kilograms | 15.9 ounces | 0.41 kilograms |
| Dimensions | not specified | 4.88 × 11 × 1.81 inches | 4.72 × 4.72 × 2.76 inches | 12.6 × 5.67 × 1.18 inches | 5.79 × 1.57 × 1.61 inches | 3.94 × 3.94 × 2.36 inches | 4.72 × 2.36 × 2.36 inches |
| Color | ARGB | black | not specified | black | black | black | black |
| Model | 1023376 | 14164 | 14172 | 14197 | 14210 | 14226 | 14223 |
If you need different card specifications, you can compare pny geforce rtx 3060 12gb alternatives for your build.
Frequently asked questions
Which Alphacool water block is best for an RTX 4090 GameRock or Phantom?
The Alphacool Eisblock Aurora RTX 4090 Water Block is the top choice for these cards. It includes a dedicated backplate and features ARGB lighting. This block delivers specific liquid cooling tailored for high-end GPU performance. Weighing 3.4 pounds, it provides a solid build for your custom loop setup.
What is the best premium radiator option for dual 120mm fans?
The NexXxos 240mm Full Copper Radiator is the best premium pick. It uses pure copper internals for efficient heat transfer. The unit features six accessible G1/4-inch ports for flexible tubing connections. Its 240mm size fits standard dual 120mm fan bays, offering balanced cooling without excessive bulk.
Which Alphacool radiator is ideal for compact single-fan setups?
The NexXxos UT60 120mm Copper Radiator is designed for tight cases. It provides a compact, high-quality copper surface for single-fan configurations. This radiator is ideal when space is the primary constraint. Its 120mm size allows for integration into smaller builds while maintaining effective cooling performance for your components.
How does the NexXxoS ST30 280mm Radiator handle slim chassis installations?
The NexXxoS ST30 280mm Copper Radiator features a low-profile 1.18-inch frame. It provides full copper construction for broad dual-fan heat dissipation. This design is suitable for chassis that cannot accommodate thicker radiators. It offers a budget-friendly solution for custom loops requiring slim mounting profiles.
Is there a specialized 40mm radiator for tight spaces?
Yes, the NexXxoS XT45 40mm Copper Radiator is a specialized heat exchanger for tight spaces. It fits users needing a small radiator for low-power components or secondary loops. The black finish and copper internals ensure reliable performance in compact configurations where standard sizes do not fit.
What is the best 92mm copper radiator for compact custom loops?
The NexXxoS Copper 92mm Radiator provides a full copper cooling surface for enclosures with 92mm mount points. Its 2.36-inch thickness and specific weight make it a targeted option. This radiator is ideal for compact custom cooling configurations that require precise sizing and efficient heat dissipation.
Which Alphacool radiator is best for 60mm dual mounts?
The NexXxoS XT45 Copper 60mm Dual Radiator delivers an all-copper build for compact cooling loops. It features a 4.72-inch footprint, making it suitable for tight installations. This radiator is designed for users who need a 60mm dual option, providing reliable heat exchange in constrained spaces.






