15 Best Water Cooling Parts Under $150, Compared
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You need the best water cooling parts under $150 to build a reliable custom loop. We compared 15 options using only published specifications. The top pick is the Alphacool NexXxoS ST30 480mm Full Copper Radiator. It leads because its 480mm size and copper construction offer maximum heat dissipation. This guide helps you decide which radiator or reservoir fits your case dimensions and thermal needs.
Quick picks
The best fit for you
- You need maximum cooling in a spacious case Alphacool NexXxoS ST30 480mm Full Copper Radiator Its 480mm full copper construction and quad fan mount offer the highest heat dissipation capacity.
- You want a flexible budget-friendly copper radiator Alphacool NexXxoS XT45 360mm Copper Radiator This 360mm copper unit provides reliable internal construction and fits standard 360mm layouts.
- You are building a custom loop with many ports Alphacool NexXxos UT60 360mm Copper Radiator It features six connection ports and a copper core for flexible tubing routing.
- You have a white-themed build with space for depth Alphacool NexXxos UT60 360mm White Radiator This white 360mm radiator offers full copper performance and six ports for custom loops.
- You have a tight case and need a pump combo Bykski Mini DDC Pump Reservoir Combo Its compact 2.44 inch width makes it ideal for small form factor builds.
Our 15 picks
Alphacool NexXxoS ST30 480mm Full Copper Radiator
Best for: Max cooling capacity in spacious cases
- Radiator Size
- 480mm
- Material
- Copper
- Fan Mount
- Quad Fan
- Dimensions
- 21.7 × 4.88 × 1.18 inches
- Weight
- 1.76 pounds
View on Amazon: Alphacool NexXxoS ST30 480mm Full Copper Radiator
The Alphacool NexXxoS ST30 is a 480mm full copper radiator designed for quad-fan setups. It features a black finish with steel side panels, brass threads, and copper chambers and fins. The unit weighs 1.76 pounds and measures 21.7 inches in length. This size provides substantial cooling surface area for high-performance loops. It suits builders who need maximum heat dissipation in a single block without splitting across multiple radiators.
Pros
- 480mm size accommodates four 120mm fans
- Full copper construction with brass threads
- Includes two G1/4" ports
- Black exterior with steel side panels
Cons
- Heavy at 1.76 pounds
- Large 21.7-inch length requires spacious cases
- Steel side panels may offer less aesthetic appeal than full copper or acrylic
Good fit if
- You have a case that supports 480mm radiators
- You prioritize maximum cooling capacity over weight
- You want a single large radiator for your loop
Skip if
- You are limited to 360mm or smaller radiator mounts
- You need a lightweight component for portable builds
- You prefer full copper or acrylic exteriors
Verdict: Alphacool NexXxoS ST30 480mm Full Copper Radiator is ideal for enthusiasts with spacious cases who need the highest possible heat dissipation in a single radiator unit.
Alphacool NexXxoS XT45 360mm Copper Radiator
Best for: Compact builds needing flexible tubing routing
- Radiator Size
- 360mm
- Material
- Copper
- Dimensions
- 18.5 × 5.51 × 2.36 inches
- Weight
- 1.52 kilograms
View on Amazon: Alphacool NexXxoS XT45 360mm Copper Radiator
This Alphacool NexXxoS XT45 radiator offers 360mm of cooling surface for three 120mm fans. It features a full copper construction with steel side panels and brass threads. The unit measures 400 x 124 x 46mm and weighs 1.52 kilograms. It includes six G1/4" ports for flexible tubing routing. This black radiator suits builders seeking reliable copper heat dissipation within a compact profile.
Pros
- Full copper chambers, fins, and channels for efficient heat transfer
- Six G1/4" ports provide versatile connection options
- Steel side panels offer structural durability
- Compact 124mm height fits many cases
Cons
- Steel side panels may reduce total surface area compared to all-copper designs
- Black exterior finish is standard and lacks aesthetic variety
- Weight of 1.52 kilograms requires sturdy mounting support
Good fit if
- You need a 360mm radiator with multiple port options
- You prefer full copper internal construction for cooling performance
- You want a compact 124mm height for your build
Skip if
- You require an all-copper exterior for maximum surface area
- You need a radiator with digital RGB lighting
- You prefer a white or color-matched exterior finish
Verdict: Alphacool XT45 360mm Copper Radiator is a practical choice for users prioritizing internal copper construction and flexible tubing routing over aesthetic finishes. It fits well in builds where compact height and reliable cooling are the primary concerns.
Alphacool NexXxos UT60 360mm Copper Radiator
Best for: Custom loops needing copper cores and 6 ports
- Radiator Size
- 360mm
- Material
- Copper
- Fan Mount
- Triple Fan
- Dimensions
- 15.7 × 2.36 × 4.88 inches
- Weight
- 1.76 pounds
View on Amazon: Alphacool NexXxos UT60 360mm Copper Radiator
The Alphacool NexXxos UT60 is a 360mm full copper radiator designed for triple-fan setups. It features black steel side panels with brass threads and copper internal chambers and fins. The unit measures 400 x 124 x 60mm and weighs 1,958g. It includes six G1/4" ports for flexible tubing connections. This build suits users seeking a durable, high-quality cooling core with a sleek black finish for their custom loop.
Pros
- Full copper construction for efficient heat dissipation
- Six G1/4" ports for versatile tubing routing
- Black steel side panels with brass threads
- Compact 60mm thickness fits most cases
Cons
- Heavier build at 1,958g compared to aluminum options
- Black finish may not match all aesthetic themes
- No included fans or pump in this unit
Good fit if
- You want a full copper core for maximum thermal performance
- You need six G1/4" ports for complex tubing layouts
- You prefer a black aesthetic for your cooling components
Skip if
- You need a radiator thinner than 60mm for tight cases
- You are looking for a complete kit with fans and pump
- You prefer lightweight aluminum radiators for portability
Verdict: Alphacool NexXxos UT60 360mm Black Radiator is a solid choice for builders prioritizing copper construction and flexible port placement. It fits well in cases that accommodate its 60mm depth and 1.96kg weight.
Alphacool NexXxoS XT45 Full Copper 180mm Radiator
Best for: compact 180mm cooling slots
- Radiator Size
- 180mm
- Material
- Copper
- Dimensions
- 8.78 × 1.77 × 7.17 inches
- Weight
- 1.06 kilograms
View on Amazon: Alphacool NexXxoS XT45 Full Copper 180mm Radiator
This is an Alphacool NexXxos XT45 full copper radiator sized for 180mm. It measures 8.78 inches in length and 7.17 inches in height. The core is constructed entirely from copper for efficient heat transfer. It weighs 1.06 kilograms and comes in black. You should choose this if you need a compact, single-fan cooling solution that fits tight spaces or custom loop builds requiring non-standard radiator sizes.
Pros
- Full copper construction for high thermal conductivity
- Compact 180mm length fits small cases
- Durable 1.06 kg build quality
- Black finish matches most systems
Cons
- Single fan size limits total cooling capacity
- No included fans or mounting hardware
- Non-standard size restricts case compatibility
Good fit if
- You have a case with an 180mm mounting slot
- You need a compact radiator for a small form factor build
- You prefer full copper cores for maximum heat dissipation
Skip if
- You require a triple fan 360mm setup
- You need a radiator that fits standard 120mm slots
- You want a pre-assembled unit with fans included
Verdict: Alphacool NexXxos XT45 180mm Copper Radiator is a specialized heat exchanger for builders with specific 180mm space constraints. It delivers strong copper performance in a compact footprint.
Alphacool NexXxos UT60 360mm White Radiator
Best for: White-themed custom loops needing six ports
- Radiator Size
- 360mm
- Material
- Copper
- Fan Mount
- Triple Fan
- Dimensions
- 18.1 × 5.51 × 2.76 inches
- Weight
- 3.87 pounds
This 360mm triple-fan radiator features a white exterior with full copper internals. It measures 400 x 124 x 60mm and weighs 1,756g. The unit includes six G1/4" ports for flexible tubing connections. Steel side panels protect the brass threads and copper channels. You get reliable heat dissipation in a clean color scheme that fits modern builds.
Pros
- Full copper chambers and fins for efficient cooling
- Six G1/4" ports for versatile tubing routing
- White exterior color for clean aesthetics
- Steel side panels for durability
Cons
- Heavier at 1,756g than aluminum alternatives
- Thicker 60mm profile limits clearance options
- White finish may show dirt over time
Good fit if
- You want a white radiator to match your case
- You need six connection points for complex loops
- You prefer full copper construction for longevity
Skip if
- You need a thinner 25mm or 30mm radiator
- You want a lighter unit for small cases
- You prefer black or dark colored components
Verdict: Alphacool NexXxos UT60 360mm White Radiator suits builders who prioritize full copper performance and a white aesthetic. It offers ample connection points for custom loops but requires space for its 60mm thickness and 1.7kg weight.
Alphacool NexXxoS XT45 X-Flow 360mm Radiator
Best for: standard 360mm copper radiator needs
- Radiator Size
- 360mm
- Material
- Copper
- Dimensions
- 4.88 × 16.3 × 1.77 inches
- Weight
- 2.39 pounds
View on Amazon: Alphacool NexXxoS XT45 X-Flow 360mm Radiator
The Alphacool NexXxos XT45 is a 360mm full copper radiator designed for high-performance liquid cooling loops. It measures 16.3 inches long, 1.77 inches high, and weighs 2.39 pounds. The black finish complements standard build aesthetics. You should consider this unit if you need a reliable heat exchanger that fits standard 3-fan mounts. It offers a solid copper construction for efficient thermal transfer without requiring complex setup.
Pros
- Full copper construction for effective heat dissipation
- 360mm size accommodates three 120mm fans
- Compact 1.77-inch height fits tight cases
- Black finish matches standard components
Cons
- Heavier than aluminum alternatives at 2.39 pounds
- Limited to 360mm size in this specific model
- No included fans with the radiator unit
Good fit if
- You need a standard 360mm radiator for your loop
- You prefer full copper construction for durability
- You have space for a 16.3-inch long unit
Skip if
- You require a radiator with integrated fans
- You need a size larger than 360mm
- You prefer lightweight aluminum over copper
Verdict: Alphacool NexXxos XT45 360mm Copper Radiator provides a sturdy, full-copper heat exchanger for users who prioritize thermal mass and standard 3-fan compatibility in a compact profile.
Alphacool NexXxos ST30 480mm X-Flow Radiator
Best for: High-performance quad-fan liquid cooling loops
- Radiator Size
- 480mm
- Material
- Copper
- Fan Mount
- Quad Fan
- Dimensions
- 20.9 × 4.88 × 1.18 inches
- Weight
- 1.88 pounds
View on Amazon: Alphacool NexXxos ST30 480mm X-Flow Radiator
This Alphacool NexXxos ST30 is a 480mm full copper radiator designed for quad-fan setups. It features a black exterior with steel side panels and copper internals, including chambers, fins, and channels. The unit weighs 853g and measures 532 by 124 by 30mm. It includes four G1/4" threaded ports for tubing connections. You will find this build suitable for systems requiring high heat dissipation in a standard 480mm form factor.
Pros
- Full copper construction with copper chambers, fins, and channels
- Four G1/4" threaded ports for flexible tubing routing
- Quad-fan compatibility for maximum airflow potential
- Durable steel side panels protect the copper core
Cons
- Heavy at 853g, which may stress thinner case mounts
- Black finish limits aesthetic matching for all-white builds
- Standard thickness may not suit ultra-slim chassis designs
Good fit if
- You have a case that supports 480mm radiators
- You prefer full copper cores for thermal performance
- You need four G1/4" connection points
Skip if
- You are building a compact ITX system
- You require a white or RGB aesthetic
- You only have space for 360mm radiators
Verdict: Alphacool NexXxos ST30 480mm Radiator is a robust cooling solution for enthusiasts with ample case space. It delivers reliable heat transfer through its all-copper design and offers ample connection options for complex loops.
Alphacool NexXxoS XT45 200mm Copper Radiator
Best for: 200mm fan case layouts
- Radiator Size
- 200mm
- Material
- Copper
- Dimensions
- 9.37 × 7.83 × 1.89 inches
- Weight
- 2.29 pounds
View on Amazon: Alphacool NexXxoS XT45 200mm Copper Radiator
This Alphacool radiator uses full copper construction for the end chambers, water channels, and cooling fins. Measuring 238mm in length with a 200mm width, it offers a compact footprint for 200mm fan setups. The unit weighs 2.29 pounds and stands 1.89 inches tall. It suits builders who prioritize material purity and specific 200mm form factors over standard 120mm or 140mm configurations.
Pros
- Full copper construction for end chambers, channels, and fins
- 200mm width fits unique case layouts
- Compact 1.89-inch height reduces bulk
- Weighs 2.29 pounds for solid build quality
Cons
- Limited to 200mm fan size, restricting case compatibility
- Single radiator size with no triple or quad options
- No mention of anti-corrosion coatings or specific flow rates
Good fit if
- You are building a custom loop in a case that supports 200mm fans
- You want pure copper internals for maximum thermal conductivity
- You need a compact radiator that fits tight spaces
Skip if
- You only have 120mm or 140mm fan slots available
- You require a triple or quad fan radiator for high heat loads
- You prefer aluminum radiators for lighter weight
Verdict: Alphacool NexXxoS XT45 200mm Copper Radiator is a specialized component for builders with 200mm fan mounts. It delivers full copper performance in a slim profile. It fits those who need exact size matches rather than standard 360mm or 480mm solutions.
EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
Best for: Compact loops with integrated lighting
- Lighting Type
- D-RGB
- Material
- Acrylic, Plexi
- Dimensions
- 19.7 × 19.7 × 11 inches
- Weight
- 2.16 pounds
View on Amazon: EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
This 240mm acrylic reservoir holds about 225ml of coolant and features four G1/4 inch ports. It includes sophisticated addressable D-RGB lighting for visual customization. The unit measures 240x120x53.5mm with its mounting system. You get a compact build with clear visibility of your loop. It suits users who want integrated lighting in a small footprint.
Pros
- Integrated addressable D-RGB lighting
- Four G1/4 inch connection ports
- Clear acrylic construction for visibility
- Compact 240mm form factor
Cons
- Small 225ml coolant capacity
- No included pump or fan
- Requires external RGB controller
Good fit if
- You need a small reservoir with lighting
- You want four port connections
- You are building a compact loop
Skip if
- You need a large coolant capacity
- You want a pump included
- You prefer non-transparent materials
Verdict: EKWB EK-Quantum Volume FLT 240 Digital RGB Reservoir fits builders who want integrated lighting in a small footprint. It suits users who need four port connections in a compact loop.
Alphacool Eisbecher Aurora 250mm Acetal Reservoir
Best for: D5 pump custom loops needing tall reservoir
- Lighting Type
- D-RGB
- Material
- Acetal
- Pump Compatibility
- D5
- Reservoir Capacity
- 250mm
- Dimensions
- 3.03 × 3.03 × 9.53 inches
- Weight
- 1.66 pounds
View on Amazon: Alphacool Eisbecher Aurora 250mm Acetal Reservoir
This reservoir features a 250mm glass tube with an acetal base. It is designed for D5 pump bodies, though the pump is not included. The unit measures 77 by 77 by 242 mm and weighs 1.66 pounds. It includes D-RGB lighting that creates a water fountain effect. You should choose this if you need a tall reservoir for a custom loop build.
Pros
- 250mm glass tube height
- Compatible with D5 pump bodies
- Acetal base material
- D-RGB lighting with fountain effect
Cons
- Pump is not included
- Requires separate D-RGB controller
- Heavier than plastic alternatives
Good fit if
- You are building a custom loop with a D5 pump
- You need a 250mm tall reservoir
- You want D-RGB lighting effects
Skip if
- You do not have a D5 pump
- You need a complete pump and reservoir combo
- You prefer a smaller 150mm size
Verdict: Alphacool 250mm Glass Reservoir Acetal fits builders who already own a D5 pump and want a tall, illuminated reservoir for their loop.
Alphacool NexXxoS ST20 HPE Copper 360mm Radiator
Best for: Space-conscious builds needing copper cooling
- Radiator Size
- 360mm
- Material
- Copper
View on Amazon: Alphacool NexXxoS ST20 HPE Copper 360mm Radiator
This Alphacool NexXxoS ST20 HPE radiator measures 360mm and uses full copper construction for high thermal conductivity. The black finish suits dark builds. It fits 120mm fans and offers a thin 0.79-inch profile. You get reliable heat dissipation for standard 3-fan setups. The pure copper core ensures efficient cooling performance.
Pros
- Full copper construction for maximum thermal conductivity
- 360mm size fits three 120mm fans
- Thin 0.79-inch profile saves space
- Black finish matches dark chassis
Cons
- Only available in black color
- No integrated pump or reservoir
- Standard thickness may restrict airflow in tight cases
Good fit if
- You need a compact 360mm radiator
- You prefer full copper heat exchangers
- You are building a dark-themed system
Skip if
- You require RGB lighting on the radiator
- You need a white or silver finish
- You want an all-in-one pump combo
Verdict: Alphacool NexXxoS ST20 HPE 360mm Copper Radiator delivers efficient cooling in a thin profile. It is ideal for builders who prioritize copper conductivity and space efficiency over aesthetic customization.
Bykski Mini DDC Pump Reservoir Combo
Best for: small form factor builds
- Pump Compatibility
- DDC
- Dimensions
- 4.02 × 2.44 × 2.44 inches
- Weight
- 2 pounds
This Bykski unit combines a DDC pump with a mini reservoir in a compact black chassis. It measures 4.02 by 2.44 by 2.44 inches and weighs 2 pounds. The design supports PWM control and uses all-black cables for clean builds. It plugs directly into your computer power supply for 12V DC operation. This combo suits users building small form factor systems who need reliable flow in a tight space.
Pros
- DDC pump compatibility for high performance
- Compact 4.02-inch length fits small cases
- All-black cables for clean aesthetics
- PWM enabled for speed control
Cons
- Small 2-pound reservoir limits coolant capacity
- No RGB lighting or digital display
- Limited to DDC pump type only
Good fit if
- You are building a small form factor PC
- You prefer a clean, all-black cable setup
- You need a compact pump reservoir combo
Skip if
- You require large coolant capacity
- You want RGB lighting effects
- You plan to use a D1 pump
Verdict: Bykski Mini DDC Pump Reservoir offers a space-saving solution for tight builds. It fits users who prioritize compact dimensions and clean cabling over large reservoir capacity or visual flair.
Bitspower Touchaqua P5D Pump
Best for: Large cases with space for tall reservoirs
- Dimensions
- 19.7 × 19.7 × 11 inches
This pump unit measures 19.7 inches in width and length, with a height of 11 inches. The large footprint accommodates a D5 pump body and a 250mm glass reservoir. You need ample case space to fit these dimensions. It suits builders with large cases who want a visible, high-capacity reservoir setup.
Pros
- 19.7 inch width and length dimensions
- 11 inch height for tall cases
- Includes D5 pump body compatibility
- 250mm glass reservoir included
Cons
- Very large physical footprint
- Requires significant case volume
- Not suitable for small form factor builds
Good fit if
- You have a large case with room for tall components
- You want a visible glass reservoir with a D5 pump
- You prioritize reservoir capacity over compactness
Skip if
- You are building in a small form factor case
- You need a compact pump and reservoir combo
- You have limited vertical clearance in your case
Verdict: Bitspower Touchaqua P5D Pump is a massive reservoir and pump combo for large cases. You should buy it only if you have the space for its 19.7 inch footprint and want a high-visibility D5 setup.
Bykski RC Series 360mm Thick Radiator
Best for: builders needing deep single-row copper radiators
- Radiator Size
- 360mm
- Fan Mount
- Triple Fan
- Dimensions
- 15.6 × 4.8 × 2.36 inches
- Weight
- 3.5 pounds
This Bykski RC Series radiator measures 360mm with a 60mm depth. It uses a single row of 14 copper channels and red copper wave fins for high thermal conductivity. The unit weighs 3.5 pounds and includes M3 mounting hardware. It fits three 120mm fans. You should consider this if you need a compact single-row design that still offers robust cooling performance for your custom loop.
Pros
- Single row of 14 copper channels
- 60mm thickness for superior cooling power
- Red copper wave fins with high thermal conductivity
- Includes M3 x 30mm mounting hardware
Cons
- 60mm depth requires significant clearance
- Fans are not included
- Screw length must be carefully selected to avoid leaks
Good fit if
- You have ample space for a deep radiator
- You prefer a single-row copper design
- You want high thermal conductivity materials
Skip if
- You need a dual-row radiator
- You have very tight case clearance
- You want fans included in the package
Verdict: Bykski 360mm RC Radiator is a dense, single-row copper unit for builders with deep mounting space. It suits those prioritizing thermal conductivity over thin profiles.
Alphacool NexXxoS HPE-30 360mm Copper Radiator
Best for: High-performance 360mm copper radiator builds
- Radiator Size
- 360mm
- Material
- Copper
- Dimensions
- 19.7 × 19.7 × 11 inches
View on Amazon: Alphacool NexXxoS HPE-30 360mm Copper Radiator
The Alphacool HPE-30 is a 360mm full copper radiator designed for high-performance liquid cooling loops. It features 12 pure copper cooling channels and pre-chambers to maximize heat dissipation. The unit includes four G1/4" connection ports plus a dedicated fill and drain port for easy maintenance. Its 30mm thickness fits standard 120mm fan mounts. This model suits builders prioritizing thermal efficiency and durable copper construction over aluminum alternatives.
Pros
- Full copper construction for the core, fins, and channels
- 12 cooling channels for enhanced heat transfer
- Includes four G1/4" inlet/outlet ports
- Dedicated G1/4" fill and drain port
- Standard 360mm size with 30mm thickness
Cons
- 30mm thickness is bulkier than 25mm or 20mm variants
- Limited to 360mm size in this specific model
- No included fans or mounting hardware listed
Good fit if
- You need a full copper core for maximum thermal performance
- You want integrated fill and drain ports for easier loop building
- You are building a 360mm radiator setup with standard 120mm fans
Skip if
- You require a 240mm or 480mm configuration
- You prefer aluminum radiators for lighter weight
- You need a slim 20mm or 25mm profile for tight cases
Verdict: Alphacool HPE-30 360mm Full Copper Radiator delivers robust heat dissipation through its 12-channel copper design and convenient fill port. It is ideal for enthusiasts who prioritize thermal capacity and durable materials in a standard 360mm form factor.
Specifications side by side
| Spec | Alphacool NexXxoS ST30 480mm Full Copper Radiator | Alphacool NexXxoS XT45 360mm Copper Radiator | Alphacool NexXxos UT60 360mm Copper Radiator | Alphacool NexXxoS XT45 Full Copper 180mm Radiator | Alphacool NexXxos UT60 360mm White Radiator | Alphacool NexXxoS XT45 X-Flow 360mm Radiator | Alphacool NexXxos ST30 480mm X-Flow Radiator | Alphacool NexXxoS XT45 200mm Copper Radiator | EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir | Alphacool Eisbecher Aurora 250mm Acetal Reservoir | Alphacool NexXxoS ST20 HPE Copper 360mm Radiator | Bykski Mini DDC Pump Reservoir Combo | Bitspower Touchaqua P5D Pump | Bykski RC Series 360mm Thick Radiator | Alphacool NexXxoS HPE-30 360mm Copper Radiator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Radiator Size | 480mm | 360mm | 360mm | 180mm | 360mm | 360mm | 480mm | 200mm | not specified | not specified | 360mm | not specified | not specified | 360mm | 360mm |
| Lighting Type | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | D-RGB | D-RGB | not specified | not specified | not specified | not specified | not specified |
| Lighting | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Digital RGB | not specified | not specified | not specified | not specified | not specified | not specified |
| Material | Copper | Copper | Copper | Copper | Copper | Copper | Copper | Copper | Acrylic, Plexi | Acetal | Copper | not specified | not specified | not specified | Copper |
| Pump Compatibility | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | D5 | not specified | DDC | not specified | not specified | not specified |
| Reservoir Capacity | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 250mm | not specified | not specified | not specified | not specified | not specified |
| Fan Mount | Quad Fan | not specified | Triple Fan | not specified | Triple Fan | not specified | Quad Fan | not specified | not specified | not specified | not specified | not specified | not specified | Triple Fan | not specified |
| Size | 480mm | 360Mm | 360Mm | 180mm | 360Mm | 360Mm | 480mm | 200mm | D-RGB FLT 240 | 250mm | 360Mm | not specified | not specified | not specified | 360Mm |
| Dimensions | 21.7 × 4.88 × 1.18 inches | 18.5 × 5.51 × 2.36 inches | 15.7 × 2.36 × 4.88 inches | 8.78 × 1.77 × 7.17 inches | 18.1 × 5.51 × 2.76 inches | 4.88 × 16.3 × 1.77 inches | 20.9 × 4.88 × 1.18 inches | 9.37 × 7.83 × 1.89 inches | 19.7 × 19.7 × 11 inches | 3.03 × 3.03 × 9.53 inches | not specified | 4.02 × 2.44 × 2.44 inches | 19.7 × 19.7 × 11 inches | 15.6 × 4.8 × 2.36 inches | 19.7 × 19.7 × 11 inches |
| Weight | 1.76 pounds | 1.52 kilograms | 1.76 pounds | 1.06 kilograms | 3.87 pounds | 2.39 pounds | 1.88 pounds | 2.29 pounds | 2.16 pounds | 1.66 pounds | not specified | 2 pounds | not specified | 3.5 pounds | not specified |
| Color | black | black | not specified | Black | White | black | not specified | not specified | not specified | not specified | Black | Black | not specified | not specified | Black |
| Model | 14159 | 14166 | 14174 | 14186 | 35436 | 1011662 | 1011659 | 14348 | 3831109819739 | 15379 | 14437 | not specified | BPTA-P5DP-AC | not specified | 14377 |
How to Choose the Right Part
-
Check Material and Core
Most options in this list use full copper cores for superior thermal conductivity. Copper transfers heat faster than aluminum, which matters for high-TDP CPUs. If you prioritize cooling efficiency, look for copper construction. The Alphacool NexXxoS ST30 480mm uses a full copper body for maximum heat dissipation. The Bykski RC Series 360mm also offers a thick copper core for dense heat exchange. Avoid aluminum if you want the best performance, as it is less efficient at moving heat away from the water block.
-
Match Size to Case
Radiator size must fit your case mounting points. You have options ranging from 180mm to 480mm. The Alphacool NexXxoS XT45 180mm fits tight slots, while the ST30 480mm requires spacious cases. Verify your case supports the specific fan count. A 480mm radiator needs quad fan mounts. A 360mm unit needs triple fans. Do not assume standard 360mm fits everywhere. Measure your available space carefully before buying a larger unit like the 480mm models to avoid installation issues.
-
Verify Pump Compatibility
Reservoirs must match your pump type. The Alphacool Eisbecher Aurora is designed for D5 pumps. It requires a tall reservoir space of 250mm. The Bykski Mini DDC combo fits DDC pumps in small form factors. Check your pump model first. If you use a D5, ensure the reservoir has the correct threading and height. If you use a DDC, look for compact combos. Mismatched components will not fit together. Always check the pump compatibility specification before selecting a reservoir or combo unit.
-
Consider Lighting Needs
Some builds require integrated lighting. The EKWB EK-Quantum Volume FLT features Digital RGB lighting. It suits users who want visual effects in a compact 240mm footprint. If you prefer a silent, clean look, choose non-illuminated copper radiators like the Alphacool XT45. Lighting adds cost and complexity. It also requires compatible controller headers. Decide if you need RGB for aesthetics or just pure cooling performance. The data shows clear distinctions between lit and non-lit options.
-
Check Port Count
Custom loops need multiple connection points. The Alphacool NexXxos UT60 offers six ports for flexible tubing routing. This is ideal for complex loops with multiple components. Standard radiators may have fewer ports. If you need to connect a CPU, GPU, and water block, ensure your radiator has enough fittings. The UT60 white and black versions both provide this flexibility. Check the port count in the specs. More ports allow for cleaner tubing bends and better flow management in dense builds.
Frequently asked questions
Which radiator offers the best cooling for large cases?
The Alphacool NexXxoS ST30 480mm Full Copper Radiator is the top choice. It features a 480mm size and quad fan mount for maximum heat dissipation. Its full copper construction ensures superior thermal performance. This unit measures 21.7 inches in length and weighs 1.76 pounds. It is ideal for enthusiasts with spacious cases who need high cooling capacity in a single unit.
What is the best budget copper radiator?
The Alphacool NexXxoS XT45 360mm Copper Radiator is the best budget option. It uses a 360mm size with a full copper core for reliable cooling. The unit is 18.5 inches long and 2.36 inches high. It weighs 1.52 kilograms, making it a practical choice for users prioritizing internal construction. It fits well in builds where compact height and flexible tubing routing are needed.
Are there white radiators available for custom loops?
Yes, the Alphacool NexXxoS UT60 360mm White Radiator is available. It features a full copper core with a white aesthetic finish. The unit supports triple fans and offers six ports for flexible connection points. It measures 18.1 inches in length and weighs 3.87 pounds. This radiator suits builders who prioritize full copper performance and a white theme for their custom loop.
Which reservoir is best for small form factor builds?
The Bykski Mini DDC Pump Reservoir Combo is ideal for small builds. It has compact dimensions of 4.02 inches in length and 2.44 inches in width. The unit weighs 2 pounds and is compatible with DDC pumps. It offers a space-saving solution for tight cases. This option suits users who prioritize compact dimensions and clean cabling over large reservoir capacity.
Is there a copper radiator for 200mm fan layouts?
The Alphacool NexXxoS XT45 200mm Copper Radiator is designed for 200mm fan mounts. It delivers full copper performance in a slim profile. The unit measures 9.37 inches in length and 1.89 inches in height. It weighs 2.29 pounds. This specialized component fits those who need an exact size match rather than standard 360mm or 480mm solutions.
What is the best reservoir for D5 pumps?
The Alphacool Eisbecher Aurora 250mm Acetal Reservoir is best for D5 pumps. It is made of acetal and has a 250mm capacity. The unit measures 9.53 inches in height and 3.03 inches in width. It weighs 1.66 pounds. This tall reservoir fits builders who already own a D5 pump and want an illuminated option for their custom loop.
Which thick radiator is good for deep cases?
The Bykski RC Series 360mm Thick Radiator is suitable for deep mounting spaces. It is a dense, single-row copper unit that supports triple fans. The unit measures 15.6 inches in length and 2.36 inches in height. It weighs 3.5 pounds. This radiator suits builders who prioritize thermal conductivity and copper construction over thin profiles.