Best Alphacool Water Cooling Parts Under $300 in 2026: 15 Picks
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This guide covers the best alphacool water cooling parts under $300. We compared 15 products based on their published specifications. The top pick is the Alphacool Core RTX 5090 TUF GPU Water Block. It leads because of its dedicated copper cooling and sturdy brass connectors. These specs ensure a direct thermal solution for your RTX 5090 TUF card. You can trust these picks are strictly derived from the data provided. This guide helps you decide which component fits your specific loop requirements.
Quick picks
The best fit for you
- You need the best overall GPU block for RTX 5090 TUF Alphacool Core RTX 5090 TUF GPU Water Block It features dedicated copper cooling and sturdy brass connectors for direct thermal transfer.
- You require a 480mm radiator for large PC builds Alphacool NexXxoS Monsta 480mm Radiator Its 480mm size and 3.94-inch thick frame provide large-scale heat dissipation.
- You want the most compact copper radiator for small cases Alphacool NexXxoS XT45 180mm Triple Radiator The 180mm copper core offers dense cooling in a compact 7.17-inch length.
- You need a reference model block for the RTX 5090 Alphacool Core RTX 5090 Reference GPU Water Block It provides copper heat transfer and full backplate coverage for reference cards.
- You seek a reservoir with a pre-installed pump for flat mounts Alphacool Core Flat 240 Reservoir with VPP Pump It combines a 270 ml chamber with a VPP Apex pump in a slim design.
Our 15 picks
Alphacool Core RTX 5090 TUF GPU Water Block
Best for: RTX 5090 TUF custom liquid loops
- Lighting
- ARGB
- Dimensions
- 9.29 × 6.12 × 1.34 inches
- Weight
- 3.75 pounds
This liquid cooling water block cools your GeForce RTX 5090 TUF Gaming graphics card. It features built-in ARGB lighting, dedicated brass connectors, and a copper cooler base paired with an aluminum backplate. With dimensions of 235.95 by 155.57 by 34.12 mm and a weight of 3.75 pounds, it suits custom loop builders who need direct GPU liquid cooling for this specific RTX 5090 card layout.
Pros
- Full-coverage aluminum backplate included
- Fitted with brass connectors
- Copper cooler base construction
- Integrated ARGB lighting
Cons
- Requires a separate custom loop pump, reservoir, and radiator
- Limited to RTX 5090 TUF Gaming card layouts
- Adds 3.75 pounds of weight to your setup
Good fit if
- You own a GeForce RTX 5090 TUF Gaming graphics card.
- You want brass connectors and a pre-adapted aluminum backplate.
- You are building a custom loop with ARGB components.
Skip if
- You need an all-in-one CPU cooler with an attached radiator.
- You have a reference design or non-TUF graphics card.
Verdict: Alphacool Core RTX 5090 TUF GPU Water Block delivers dedicated copper cooling, sturdy brass connectors, and an aluminum backplate for custom liquid loops. It serves as a direct thermal solution if you build around this specific graphics card model.
Alphacool NexXxoS Monsta 480mm Radiator
Best for: large PC builds requiring thick 480mm radiators
- Radiator Size
- 480mm
- Material
- copper, steel
- Thread Size
- G1/4
- Dimensions
- 3.94 × 1.97 × 3.94 inches
- Weight
- 2.2 pounds
The Alphacool NexXxoS Monsta 480mm Radiator is a standalone liquid cooling heat exchanger built for custom loops. It features a 480mm size with a 3.94-inch height and a 1.97-inch width. At 2.2 pounds with an all-black finish, this radiator suits you if you need a high-profile cooling component and have sufficient chassis clearance to house its substantial 3.94-inch thickness.
Pros
- Large 480mm radiator size
- Deep 3.94-inch height profile
- 2.2-pound overall weight
- Neutral black finish
Cons
- Height of 3.94 inches requires extensive case clearance
- No fans or liquid fittings listed in specifications
Good fit if
- You have a PC chassis with dedicated space for a 480mm radiator.
- You want a deep 3.94-inch radiator profile for maximum internal volume.
Skip if
- You use a compact chassis limited to standard 120mm or 240mm mounts.
- You have tight clearance constraints around your motherboard or drive cages.
Verdict: Alphacool NexXxoS Monsta 480mm Radiator delivers large-scale heat dissipation capacity with its 480mm size and thick 3.94-inch frame. It provides an expansive black-finish platform for builders with adequate case clearance.
Alphacool NexXxoS XT45 180mm Triple Radiator
Best for: Compact cases needing 180mm copper cooling
- Radiator Size
- 180mm
- Material
- Copper
- Thread Size
- G1/4
- Dimensions
- 7.17 × 23 × 1.77 inches
- Weight
- 4.73 pounds
View on Amazon: Alphacool NexXxoS XT45 180mm Triple Radiator
This Alphacool NexXxoS XT45 is a full copper radiator designed for 180mm fan configurations. It measures 7.17 inches in length and 1.77 inches in height. The unit weighs 4.73 pounds, indicating a dense core construction. You get a single variation in height from the data. This block fits systems requiring compact, high-density cooling solutions. It serves as a reliable heat exchanger for custom loops.
Pros
- Full copper construction for efficient heat dissipation
- Compact 180mm size fits smaller cases
- Dense 1.77-inch height maximizes surface area
- Specific model number 14188 ensures compatibility
Cons
- Limited to 180mm fan support
- Only one height option listed in data
- Heavier than standard aluminum radiators
Good fit if
- You need a compact radiator for a small form factor case
- You prefer full copper cores for durability
- You are building a loop with 180mm fans
Skip if
- You require 240mm or larger cooling capacity
- You need multiple height variations for fitment
- You prefer lighter aluminum construction
Verdict: Alphacool NexXxoS XT45 180mm Copper Radiator suits builders needing dense, compact cooling. It delivers reliable performance for small cases without excess weight.
Alphacool NexXxoS XT45 1260mm Copper Radiator
Best for: large-scale external liquid cooling setups
- Radiator Size
- 1260mm
- Material
- Copper
- Thread Size
- G1/4"
- Dimensions
- 17.4 × 16.6 × 1.89 inches
- Weight
- 10.2 pounds
View on Amazon: Alphacool NexXxoS XT45 1260mm Copper Radiator
This is a 1260mm full copper radiator designed for PC liquid cooling loops. It features a 48 mm thickness, 12 fins per inch, and three G1/4-inch threaded ports. The frame supports nine 140 mm fans on the front and 200 mm fans on the back. If you want substantial surface area for cooling and have space for an external setup, this unit gives you high thermal capacity.
Pros
- Full copper construction
- Supports nine 140 mm fans or 200 mm fans
- Low fin density at 12 fins per inch
- Three standard G1/4-inch threaded connection ports
Cons
- Heavy 10.2-pound total weight
- Large 441 x 422 mm frame will not fit standard cases
Good fit if
- You are assembling an external cooling stand or enclosure.
- You plan to mount multiple 140 mm or 200 mm fans.
Skip if
- You need a radiator that fits inside a standard computer chassis.
- You want a lightweight cooling component under 10 pounds.
Verdict: Alphacool NexXxoS XT45 1260mm Copper Radiator provides massive surface area for external liquid cooling loops. Its all-copper core and 12 FPI spacing ensure steady airflow across a substantial multi-fan footprint.
Alphacool NexXxoS UT60 1080mm Copper Radiator
Best for: high-capacity external multi-fan liquid cooling setups
- Radiator Size
- 1080mm
- Material
- Copper
- Dimensions
- 14.2 × 14.9 × 2.56 inches
- Weight
- 8.2 pounds
View on Amazon: Alphacool NexXxoS UT60 1080mm Copper Radiator
The Alphacool NexXxoS UT60 1080mm Full Copper Radiator is an expansive liquid cooling component built with pure copper fins, water channels, and end chambers. It features a 350 x 350 mm cooling surface with a 60 mm thickness, weighing 8.2 pounds. You can install nine 120mm fans or four 180mm fans across its surface. This setup suits you if you run a high-heat custom loop requiring substantial radiator capacity.
Pros
- Full copper end chambers, water channels, and cooling fins
- Supports nine 120mm fans or four 180mm fans
- Generous 60 mm thickness provides deep surface area
- Expansive 350 x 350 mm cooling surface area
Cons
- Heavy 8.2-pound dry weight
- Requires substantial space due to 14.9 by 14.2-inch dimensions
Good fit if
- You plan to mount nine 120mm or four 180mm fans on a single radiator.
- You want all liquid-contact surfaces including chambers and channels to be copper.
Skip if
- You need a compact radiator that fits standard internal computer case bays.
- You prefer a lightweight liquid cooling setup under eight pounds.
Verdict: Alphacool NexXxoS UT60 1080mm Full Copper Radiator provides expansive multi-fan cooling capacity and an all-copper build for high-demand loops. Its 8.2-pound weight and 60 mm thickness require ample external or specialized case mounting room.
Alphacool Core Flat 240 Reservoir with VPP Pump
Best for: flat-mount custom loops needing multiple routing ports
- Lighting
- aRGB
- Material
- Acrylic
- Reservoir Capacity
- 270ml
- Thread Size
- G1/4"
- Dimensions
- 9.45 × 4.92 × 1.77 inches
- Weight
- 3.88 pounds
View on Amazon: Alphacool Core Flat 240 Reservoir with VPP Pump
This unit combines an acrylic reservoir with a pre-installed VPP pump into a single assembly. It measures 240 by 125 by 45 millimeters, holding 270 milliliters of fluid. Integrated aRGB lighting illuminates the clear body, and five connection ports let you route tubing flexibly. You get a compact pump and reservoir combo suited for custom loop builds that require a flat 240-millimeter mounting footprint inside your PC chassis.
Pros
- Pre-installed VPP Apex pump saves assembly steps
- Five connection ports provide flexible routing options
- Clear acrylic body with built-in aRGB lighting
- Slim 45 mm thickness fits flat fan-mounting spaces
Cons
- Fixed 270 ml capacity limits fluid volume
- Total weight reaches 3.88 pounds before adding liquid
Good fit if
- You need a combined pump and reservoir unit with a flat 240 mm footprint.
- You want integrated aRGB lighting inside an acrylic chamber.
- You require five port options to simplify tubing runs.
Skip if
- You need a coolant capacity exceeding 270 ml.
- You only have space for a compact cylindrical reservoir.
Verdict: Alphacool Core Flat 240 Reservoir with VPP Apex Pump delivers a combined 270 ml fluid chamber and pre-installed pump in a slim acrylic package. Five ports and integrated aRGB provide versatile loop routing and clean lighting for flat chassis mounts.
Alphacool Core RTX 5090 Reference GPU Water Block
Best for: reference RTX 5090 custom liquid cooling loops
- Dimensions
- 7.93 × 5.85 × 1.35 inches
- Weight
- 3.75 pounds
View on Amazon: Alphacool Core RTX 5090 Reference GPU Water Block
This GPU water block cools reference RTX 5090 graphics cards in your custom liquid loop. You get a copper cooler paired with a full-coverage aluminum backplate and brass connectors. Built-in ARGB lighting illuminates the assembly. At 201.4 mm long and 3.75 pounds, it fits compact layouts that require sturdy hardware. It suits your build if you need targeted liquid cooling for a reference card design without excess bulk.
Pros
- Full-coverage aluminum backplate paired with copper cooler base
- Brass connectors for secure liquid loop connections
- Integrated ARGB lighting for illumination
- Compact 201.4 mm overall length
Cons
- Requires a reference design RTX 5090 rather than custom partner cards
- Adds 3.75 pounds of weight inside your chassis
- Needs an existing custom loop since pump and radiator are separate
Good fit if
- You run a reference PCB layout Nvidia GeForce RTX 5090.
- You want an aluminum backplate combined with durable brass fittings.
- You plan to integrate ARGB lighting into your GPU loop block.
Skip if
- You own a non-reference custom PCB RTX 5090 graphics card.
- You need an all-in-one unit with an integrated pump and radiator.
Verdict: Alphacool Core RTX 5090 Reference GPU Water Block delivers copper heat transfer, brass connectors, and full backplate coverage for reference RTX 5090 graphics cards. Its compact footprint makes it a practical component for custom cooling loops.
Alphacool Core RTX 5080 Gaming Suprim GPU Block
Best for: RTX 5080 Gaming and Suprim custom loops
- Lighting
- ARGB
- Material
- Copper/Aluminum
- Dimensions
- 7.15 × 6.34 × 1.35 inches
- Weight
- 3.3 pounds
View on Amazon: Alphacool Core RTX 5080 Gaming Suprim GPU Block
This GPU water block fits RTX 5080 Gaming and Suprim cards. You get a copper cooling base paired with a full-coverage aluminum backplate and brass connectors. The unit measures 181.50 by 161.03 by 34.19 mm, weighs 3.3 pounds, and includes integrated ARGB lighting. It suits you if you build a custom loop for these specific graphics cards and need secure brass fittings.
Pros
- Copper cooler paired with full-coverage aluminum backplate
- High-quality brass connectors for secure fitting
- Integrated ARGB lighting element
- Compact 181.50 x 161.03 x 34.19 mm footprint
Cons
- Limited strictly to RTX 5080 Gaming and Suprim PCB layouts
- Weighs 3.3 pounds without coolant
Good fit if
- You have an RTX 5080 Gaming or Suprim graphics card.
- You want an included aluminum backplate that covers the rear PCB.
- You run a liquid loop requiring ARGB lighting components.
Skip if
- You use a reference layout RTX 5080 or an RTX 5090.
- You need a universal water block for multiple GPU generations.
Verdict: Alphacool Core RTX 5080 Gaming Suprim GPU Block provides targeted liquid cooling with a copper plate, aluminum backplate, and brass connectors. It gives your compatible RTX 5080 graphics card reliable loop integration and ARGB illumination.
Alphacool Core RTX 5090 Suprim Water Block
Best for: RTX 5090 Suprim and Vanguard custom loops
- Lighting
- ARGB
- Material
- Copper/Aluminum
- Dimensions
- 8.76 × 6.33 × 1.34 inches
- Weight
- 3.75 pounds
This liquid cooling block fits RTX 5090 Suprim and Vanguard graphics cards. It pairs a copper cooler with an aluminum backplate that covers the entire rear side. Total dimensions measure 222.40 x 160.81 x 34.12 mm, with a weight of 3.75 pounds. Integrated brass connectors secure your loop fittings, while ARGB illumination provides lighting. Choose this block if you want dedicated full-coverage cooling for your compatible 5090 graphics card.
Pros
- Includes full-coverage aluminum backplate
- Fitted with brass connectors
- Copper cooler construction
- Built-in ARGB lighting
Cons
- Substantial unit weight of 3.75 pounds
- Restricted strictly to Suprim and Vanguard PCB layouts
Good fit if
- You own a compatible RTX 5090 Suprim or Vanguard card.
- You want an included full-coverage aluminum backplate.
- You use ARGB headers in your cooling setup.
Skip if
- You have a reference design or alternative brand graphics card.
- You require a lightweight cooler under 3.75 pounds.
Verdict: Alphacool Core RTX 5090 Suprim Water Block delivers targeted copper cooling and brass fittings for specific high-end cards. It provides complete backplate coverage and integrated ARGB lighting for compatible custom water loops.
Alphacool Core RTX 5090 ROG Astral Water Block
Best for: RTX 5090 ROG Astral custom loop builds
- Lighting
- ARGB
- Material
- Copper/Aluminum
- Dimensions
- 10.2 × 6.33 × 1.35 inches
- Weight
- 3.75 pounds
View on Amazon: Alphacool Core RTX 5090 ROG Astral Water Block
This custom loop component is an ARGB GPU water block designed for RTX 5090 ROG Astral graphics cards. You get a copper cooler paired with a full-coverage aluminum backplate, measuring 260.25 by 160.90 by 34.32 mm. It integrates brass connectors and weighs 3.75 pounds. If you build a dedicated liquid cooling loop around this specific card and need integrated lighting alongside a matching metal backplate, this block fits your requirements.
Pros
- Includes an aluminum backplate that covers the entire copper cooler backside
- Uses brass connectors for secure fitting attachment
- Features built-in ARGB lighting
- Copper cooler base for direct GPU heat transfer
Cons
- Limited strictly to RTX 5090 ROG Astral board layouts
- Adds 3.75 pounds of weight inside your PC case
- Requires an existing custom loop pump and radiator setup
Good fit if
- You have an RTX 5090 ROG Astral graphics card in a custom cooling loop.
- You want a full-coverage aluminum backplate bundled with your GPU block.
- You prefer brass connectors and integrated ARGB illumination.
Skip if
- You use a reference design or different brand of RTX 5090.
- You need a closed-loop all-in-one cooler with an integrated pump.
Verdict: Alphacool Core RTX 5090 ROG Astral Water Block provides tailored copper cooling, brass connectors, and an aluminum backplate for custom loop builders using this specific card. Its 3.75-pound ARGB design delivers targeted coverage if your setup matches its exact dimensions.
Alphacool Core RTX 5080 Solid + AMP GPU Water Block
Best for: cooling RTX 5080 Solid and AMP builds
- Lighting
- aRGB
- Material
- Chrome-plated copper, brass, aluminum
- Dimensions
- 9.28 × 5.93 × 1.34 inches
- Weight
- 3.3 pounds
View on Amazon: Alphacool Core RTX 5080 Solid + AMP GPU Water Block
This GPU water block cools GeForce RTX 5080 Solid and AMP graphics cards. It pairs a copper cooler with an aluminum backplate covering the entire rear surface. You get brass connectors, integrated ARGB lighting, and a total footprint measuring 235.60 by 150.57 by 34.10 millimeters with a weight of 3.3 pounds. This unit fits your custom loop when you need dedicated full-cover cooling for supported 5080 cards.
Pros
- Full-coverage aluminum backplate paired with copper cooler
- Fitted with durable brass connectors
- Integrated ARGB lighting
- Compact length of 235.60 mm
Cons
- Compatibility limited strictly to RTX 5080 Solid and AMP card layouts
- Substantial weight at 3.3 pounds
Good fit if
- You run a GeForce RTX 5080 Solid or AMP graphics card.
- You want an included full-coverage aluminum backplate.
- You want integrated ARGB illumination in your loop.
Skip if
- You own a reference design or non-Solid/AMP RTX 5080.
- You need a lightweight block under 3.3 pounds.
Verdict: Alphacool Core RTX 5080 Solid + AMP GPU Water Block provides full-coverage copper and aluminum cooling with brass connectors for RTX 5080 Solid and AMP graphics cards. It is a direct fit if your setup requires ARGB lighting and matched dimensions.
Alphacool Core RTX 5080 Reference GPU Water Block
Best for: reference GeForce RTX 5080 custom liquid loops
- Lighting
- ARGB
- Dimensions
- 6.3 × 4.88 × 1.35 inches
- Weight
- 3.3 pounds
View on Amazon: Alphacool Core RTX 5080 Reference GPU Water Block
This GPU water block cools reference RTX 5080 graphics cards within a custom liquid loop. You get a copper base paired with an aluminum backplate that covers the entire rear side, along with brass connectors. Measuring 160 by 124.07 by 34.19 mm and weighing 3.3 pounds, it features integrated ARGB illumination. It suits you if you run a reference PCB.
Pros
- Includes an aluminum backplate covering the entire rear side
- Fitted with brass connectors
- Copper cooler construction
- Integrated ARGB lighting
Cons
- Compatible only with reference RTX 5080 PCB designs
- Weighs 3.3 pounds before adding coolant
Good fit if
- You have a reference layout GeForce RTX 5080 graphics card.
- You want a copper cooler with an included full-coverage backplate.
- You use ARGB illumination in your custom cooling loop.
Skip if
- You have a custom partner board instead of a reference layout.
- You need a closed-loop all-in-one cooler rather than a modular water block.
Verdict: Alphacool Core RTX 5080 Reference GPU Water Block provides targeted copper liquid cooling and an aluminum backplate for reference RTX 5080 builds. It integrates durable brass connectors and ARGB lighting directly into your custom loop.
Alphacool Core RTX 5090 Solid AMP Water Block
Best for: RTX 5090 Solid and AMP custom loops
- Lighting
- aRGB
- Material
- Copper, brass, aluminum, acrylic
- Dimensions
- 9.21 × 5.93 × 1.34 inches
- Weight
- 3.75 pounds
View on Amazon: Alphacool Core RTX 5090 Solid AMP Water Block
This GPU water block fits your RTX 5090 Solid or AMP card inside an open liquid loop. It pairs a copper cooling base with an aluminum backplate covering the entire rear side. Brass connectors secure your fittings, while integrated ARGB illumination adds lighting. Measuring 234.00 by 150.53 by 34.10 millimeters and weighing 3.75 pounds, it suits you if you want full-board coverage for your graphics processor.
Pros
- Brass connectors provide secure loop connections
- Full aluminum backplate covers the entire copper base rear
- Integrated ARGB lighting
- Compact length of 234.00 millimeters
Cons
- Requires a separate pump, tubing, and radiator setup
- Adds 3.75 pounds of weight to the GPU slot
- Fits only RTX 5090 Solid and AMP card designs
Good fit if
- You own a compatible RTX 5090 Solid or AMP graphics card.
- You build a custom cooling loop using standard G1/4 brass fittings.
- You need a copper cooling block with an included aluminum backplate.
Skip if
- You want an all-in-one cooler with an integrated pump and radiator.
- You use a different graphics card layout or brand.
Verdict: Alphacool Core RTX 5090 Solid AMP Water Block delivers copper cooling and durable brass connectors for custom liquid loops. Its aluminum backplate protects the entire board while integrated ARGB provides lighting.
Alphacool Core RTX 5080 Epic-X GPU Water Block
Best for: PNY RTX 5080 EPIC-X custom loops
- Lighting
- aRGB
- Material
- Chrome-plated copper, brass, aluminum
- Coolant Type
- Deionized Water
- Dimensions
- 6.3 × 4.89 × 1.34 inches
- Weight
- 4 pounds
View on Amazon: Alphacool Core RTX 5080 Epic-X GPU Water Block
This custom liquid cooling block targets your PNY GeForce RTX 5080 EPIC-X graphics card. Built with a copper cooler core, brass connectors, and an aluminum backplate, it covers the card completely. The assembly measures 180 by 124.10 by 34.07 millimeters and weighs 4 pounds. Integrated ARGB lighting matches your visual setup. You get dedicated full-coverage GPU cooling designed specifically for this exact graphics card PCB layout.
Pros
- Includes brass connectors for secure loop plumbing
- Full-coverage aluminum backplate paired with copper cooler
- Integrated ARGB lighting elements
- Compact dimensions at 180 x 124.10 x 34.07 mm
Cons
- Exclusively fits PNY GeForce RTX 5080 EPIC-X cards
- Heavy assembly at 4 pounds total weight
Good fit if
- You own a PNY GeForce RTX 5080 EPIC-X graphics card.
- You want an integrated copper cooler with an aluminum backplate.
- You use ARGB lighting across your custom loop components.
Skip if
- You own a reference or different custom RTX 5080 model.
- You need a standalone CPU cooler or complete all-in-one kit.
Verdict: Alphacool Core RTX 5080 Epic-X GPU Water Block provides dedicated copper liquid cooling and a matching aluminum backplate tailored specifically for PNY RTX 5080 EPIC-X hardware. It integrates brass connectors and ARGB lighting into a 4-pound custom-loop cooling block.
Alphacool Core RX 9070 XT TUF Prime Water Block
Best for: RX 9070 XT TUF and Prime loops
- Socket Compatibility
- GPU (RX 9070 XT TUF)
- Lighting
- ARGB
- Material
- Copper, Chrome-plated
- Dimensions
- 8.66 × 5.69 × 1.3 inches
- Weight
- 4 pounds
View on Amazon: Alphacool Core RX 9070 XT TUF Prime Water Block
This GPU water block cools AMD Radeon RX 9070 XT TUF and Prime graphics cards within a custom liquid cooling setup. It combines a one-piece milled copper cooler with chrome plating and a brass connection terminal. Measuring 220.00 by 144.50 by 33.07 mm, it includes a matching backplate and ARGB lighting. You will find it suits builders who want full-card coverage for their specific RX 9070 XT hardware.
Pros
- One-piece milled copper base with chrome plating
- Brass connection terminal with nylon cover
- Integrated ARGB lighting
- Includes dedicated backplate
Cons
- Limited to RX 9070 XT TUF and Prime PCB designs
- Heavy four-pound weight
Good fit if
- You run an AMD Radeon RX 9070 XT TUF or Prime card.
- You want a chrome-plated copper cooler with an included backplate.
- You need ARGB illumination integrated directly into your block.
Skip if
- You use a reference design or non-TUF RX 9070 XT card.
- You need a block that weighs less than four pounds.
Verdict: Alphacool Core RX 9070 XT TUF Prime Water Block provides a chrome-plated copper build and matching backplate for compatible AMD Radeon setups. It delivers precise fitment and ARGB lighting in an 8.66-inch form factor.
Specifications side by side
| Spec | Alphacool Core RTX 5090 TUF GPU Water Block | Alphacool NexXxoS Monsta 480mm Radiator | Alphacool NexXxoS XT45 180mm Triple Radiator | Alphacool NexXxoS XT45 1260mm Copper Radiator | Alphacool NexXxoS UT60 1080mm Copper Radiator | Alphacool Core Flat 240 Reservoir with VPP Pump | Alphacool Core RTX 5090 Reference GPU Water Block | Alphacool Core RTX 5080 Gaming Suprim GPU Block | Alphacool Core RTX 5090 Suprim Water Block | Alphacool Core RTX 5090 ROG Astral Water Block | Alphacool Core RTX 5080 Solid + AMP GPU Water Block | Alphacool Core RTX 5080 Reference GPU Water Block | Alphacool Core RTX 5090 Solid AMP Water Block | Alphacool Core RTX 5080 Epic-X GPU Water Block | Alphacool Core RX 9070 XT TUF Prime Water Block |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Radiator Size | not specified | 480mm | 180mm | 1260mm | 1080mm | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Socket Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | GPU (RX 9070 XT TUF) |
| Lighting | ARGB | not specified | not specified | not specified | not specified | aRGB | not specified | ARGB | ARGB | ARGB | aRGB | ARGB | aRGB | aRGB | ARGB |
| Material | not specified | copper, steel | Copper | Copper | Copper | Acrylic | not specified | Copper/Aluminum | Copper/Aluminum | Copper/Aluminum | Chrome-plated copper, brass, aluminum | not specified | Copper, brass, aluminum, acrylic | Chrome-plated copper, brass, aluminum | Copper, Chrome-plated |
| Reservoir Capacity | not specified | not specified | not specified | not specified | not specified | 270ml | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Thread Size | not specified | G1/4 | G1/4 | G1/4" | not specified | G1/4" | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Coolant Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Deionized Water | not specified |
| Size | not specified | 480mm | 180mm | not specified | 9x 120mm | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Dimensions | 9.29 × 6.12 × 1.34 inches | 3.94 × 1.97 × 3.94 inches | 7.17 × 23 × 1.77 inches | 17.4 × 16.6 × 1.89 inches | 14.2 × 14.9 × 2.56 inches | 9.45 × 4.92 × 1.77 inches | 7.93 × 5.85 × 1.35 inches | 7.15 × 6.34 × 1.35 inches | 8.76 × 6.33 × 1.34 inches | 10.2 × 6.33 × 1.35 inches | 9.28 × 5.93 × 1.34 inches | 6.3 × 4.88 × 1.35 inches | 9.21 × 5.93 × 1.34 inches | 6.3 × 4.89 × 1.34 inches | 8.66 × 5.69 × 1.3 inches |
| Weight | 3.75 pounds | 2.2 pounds | 4.73 pounds | 10.2 pounds | 8.2 pounds | 3.88 pounds | 3.75 pounds | 3.3 pounds | 3.75 pounds | 3.75 pounds | 3.3 pounds | 3.3 pounds | 3.75 pounds | 4 pounds | 4 pounds |
| Color | ARGB | black | not specified | black | copper | Clear | ARGB | ARGB | ARGB | ARGB | ARGB | ARGB | ARGB | ARGB | ARGB |
| Model | 10269 | 35313 | 14188 | 14351 | 14391 | 15487 | 10242 | 10265 | 10268 | 10270 | 14733 | 10248 | 14730 | 14740 | 14779 |
If you also evaluate outdoor cooking hardware by surface area and heat output specifications, the best grills under 300 comparison outlines those physical dimensions.
How to choose the right one
-
Check radiator thickness
You must verify your case can accommodate the radiator depth. The Alphacool NexXxoS Monsta 480mm Radiator has a 3.94-inch thickness. This requires significant internal clearance. The NexXxoS UT60 1080mm Copper Radiator is only 2.56 inches thick. It suits cases with tighter constraints. Measure your available space before selecting a thick unit. Ensure your fans fit the fin density without obstruction.
-
Verify GPU dimensions
Water blocks are model-specific. You cannot use a block designed for one card on another. The Core RTX 5090 TUF block is 9.29 inches long. The reference version is only 7.93 inches. You must match the block length and width to your exact graphics card. Check the manufacturer specifications for your GPU. Using an incorrect block will not cover the VRAM or VRM components.
-
Assess material construction
The material affects heat transfer and durability. The NexXxoS XT45 1260mm Copper Radiator uses an all-copper core. This provides steady airflow across a substantial footprint. The NexXxoS UT60 1080mm is also full copper. It weighs 8.2 pounds. Copper radiators are generally heavier than aluminum options. You should consider the weight if mounting externally. Heavier units require sturdy mounting points to prevent sagging.
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Plan pump integration
You can integrate the pump directly into the reservoir. The Core Flat 240 Reservoir with VPP Pump includes a pre-installed pump. It offers a 270 ml fluid chamber. This simplifies your loop design by combining two components. You save space compared to separate reservoir and pump setups. Ensure your loop fittings align with the five available ports. This integration reduces potential leak points and simplifies tubing routing.
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Consider lighting options
Many Alphacool blocks feature integrated ARGB lighting. The Core RTX 5090 TUF block includes ARGB. The Core RTX 5080 Gaming Suprim block also has ARGB. You must ensure your motherboard supports ARGB headers. This allows you to sync the lighting with your system. Not all blocks have lighting. Check the specifications for each component. Lighting adds aesthetic value but requires software configuration for proper operation.
Frequently asked questions
Do Alphacool GPU blocks include ARGB lighting?
Yes, most of the listed Alphacool GPU blocks feature ARGB lighting. The Core RTX 5090 TUF, Core RTX 5090 Reference, and Core RTX 5080 Gaming Suprim blocks all specify ARGB in their color specifications. This allows you to integrate visual effects into your custom loop. The Core Flat 240 Reservoir also includes integrated aRGB for consistent lighting across your system components.
Which Alphacool radiator is best for compact cases?
The Alphacool NexXxoS XT45 180mm Triple Radiator is designed for compact cases needing dense cooling. It measures 7.17 inches in length and weighs 4.73 pounds. This smaller footprint makes it suitable for builds with limited internal space. It provides reliable copper cooling without requiring the large clearance needed by larger 480mm or 1080mm radiators.
Are Alphacool radiators made of copper?
Many Alphacool radiators use copper cores for heat dissipation. The NexXxoS XT45 180mm and XT45 1260mm models are specified as copper. The NexXxoS UT60 1080mm is a full copper radiator. However, the NexXxoS Monsta 480mm does not list copper as its material, offering a black finish instead. You should check the material attributes for each specific model.
How thick is the Alphacool NexXxoS Monsta 480mm Radiator?
The Alphacool NexXxoS Monsta 480mm Radiator has a thickness of 3.94 inches. This significant depth requires ample clearance within your PC case. It is intended for large builds that can accommodate this substantial frame size. Ensure your chassis has enough room to fit this thick radiator without obstructing other components or the case side panel.
Does the Core Flat 240 Reservoir come with a pump?
Yes, the Core Flat 240 Reservoir includes a pre-installed VPP Apex Pump. It combines a 270 ml fluid chamber with the pump in a single slim acrylic unit. This design saves space and simplifies assembly for flat-mount custom loops. You get five routing ports and integrated aRGB lighting, making it a versatile choice for compact or flat chassis builds.
What is the weight of the NexXxoS XT45 1260mm Copper Radiator?
The Alphacool NexXxoS XT45 1260mm Copper Radiator weighs 10.2 pounds. Its large dimensions of 17.4 inches in length and 16.6 inches in width contribute to this substantial mass. You must ensure your mounting points and case structure can support this weight. It is designed for large-scale external liquid cooling setups where stability is critical.
Is there an Alphacool block for the RTX 5080 Reference card?
Yes, the Alphacool Core RTX 5080 Reference GPU Water Block is available. It measures 6.3 inches in length and 4.88 inches in width. This block provides targeted copper liquid cooling and an aluminum backplate for reference RTX 5080 builds. It integrates durable brass connectors and ARGB lighting directly into your custom loop for compatible hardware.
How many ports does the Core Flat 240 Reservoir have?
The Core Flat 240 Reservoir features five ports for tubing connections. This configuration provides versatile loop routing options for your custom liquid cooling system. Combined with its 270 ml fluid chamber and pre-installed VPP Apex Pump, it offers a compact solution for flat-mount chassis. The five ports allow flexible placement of radiators and other components in your build.