Aquacomputer ULTITUBE 200 PRO Reservoir Alternatives: 6 Similar Picks Compared

How alternatives differ from the ULTITUBE 200 PRO

Alphacool Eisbecher Aurora 250mm Acetal Reservoir

The Alphacool Eisbecher Aurora 250mm Acetal Reservoir swaps borosilicate glass for acetal plastic. This material choice reduces weight significantly, making it lighter than the glass unit. It maintains the 250 mm height and standard D5 pump compatibility. You lose the visual depth of thick glass, but gain a durable, shatter-resistant option. The acetal body offers a different aesthetic, focusing on clear fluid visibility rather than refractive glass effects. This pick suits builders who prioritize pump integration and visual clarity over the premium feel of glass. It is a practical alternative for standard D5 setups where weight and durability matter more than material prestige.

Alphacool NexXxoS ST30 480mm Full Copper Radiator

The Alphacool NexXxoS ST30 480mm Full Copper Radiator serves a completely different function. It is not a reservoir but a cooling component for quad fan configurations. This unit provides robust heat dissipation for large cases, contrasting with the ULTITUBE 200 PRO's fluid storage role. It features a copper construction and 480 mm length, designed for high thermal loads. You would choose this if your build requires maximum cooling capacity for a CPU or GPU in a spacious chassis. It complements a reservoir rather than replacing it. This pick is for builders prioritizing thermal performance in large form factor systems where space allows for extensive radiator arrays.

Alphacool NexXxoS XT45 360mm Copper Radiator

The Alphacool NexXxoS XT45 360mm Copper Radiator offers standard 360 mm cooling in a black finish. Like the ST30, it is a radiator, not a reservoir alternative. It provides reliable heat exchange for typical custom loops. The copper core ensures efficient thermal transfer, while the black aesthetic matches many component styles. You would select this if you need a proven, mid-size cooling solution for a 360 mm fan setup. It differs from the ULTITUBE 200 PRO by addressing heat rejection rather than fluid volume. This pick suits builders seeking a balanced, no-frills radiator that integrates easily into standard ATX or mid-tower cases without requiring excessive depth or space.

Alphacool NexXxos UT60 360mm Copper Radiator

The Alphacool NexXxos UT60 360mm Copper Radiator focuses on performance with a thicker 60mm core depth. This design maximizes surface area for heat dissipation, making it ideal for high-wattage components. It uses a copper core and triple fan mount, differing from the reservoir's storage function. You would pick this if your system generates significant heat and requires aggressive cooling. The increased depth may limit compatibility in smaller cases. This alternative is for performance-focused builders who prioritize thermal efficiency over compactness. It complements a reservoir by handling the bulk of heat rejection, allowing the system to maintain lower temperatures under heavy loads.

Alphacool NexXxoS XT45 Full Copper 180mm Radiator

The Alphacool NexXxoS XT45 Full Copper 180mm Radiator is designed for compact builds. Its 180 mm length fits tight spaces where larger radiators cannot go. It provides solid cooling in a minimal footprint, using a copper core for efficiency. This unit addresses space constraints rather than fluid storage. You would choose this if your case has limited radiator mounting options. It differs from the ULTITUBE 200 PRO by offering a specialized cooling solution for small form factor builds. This pick is for builders who need reliable heat dissipation in constrained environments, ensuring performance is not compromised by physical size limitations.

Alphacool NexXxos UT60 360mm White Radiator

The Alphacool NexXxos UT60 360mm White Radiator combines performance with a white aesthetic. It features a 60mm depth and six G1/4" ports, offering flexibility for tubing connections. The white finish suits builds with specific color schemes, unlike the standard black or copper options. It provides reliable cooling in a compact profile, suitable for small form factor cases. You would pick this if you need both thermal performance and visual coordination. This radiator differs from the reservoir by focusing on heat rejection and aesthetic integration. It is ideal for builders who want a high-performance cooling solution that matches white-themed components without sacrificing space or connectivity.

Quick picks

Our 7 picks

1 Best overall

Aquacomputer ULTITUBE 200 PRO Glass Reservoir

Best for: custom loops needing thick borosilicate glass

Lighting

RGBpx-compatible, 13 addressable LEDs

Reservoir Capacity

470 ml

View on Amazon: Aquacomputer ULTITUBE 200 PRO Glass Reservoir

The Aquacomputer ULTITUBE 200 PRO is a standalone desktop liquid cooling reservoir measuring 72 x 72 x 250 mm. You get a borosilicate glass tube with a 65 mm outer diameter, a 5 mm wall thickness, and an approximate filling volume of 470 ml. It also includes an RGBpx LED ring equipped with 13 individually addressable diodes. This setup suits you if your custom loop requires a rigid glass cylinder with integrated lighting.

Pros

• Borosilicate glass tube with 5 mm wall thickness
• Approximate 470 ml coolant capacity
• Included RGBpx ring with 13 addressable LEDs
• Outer diameter of 65 mm

Cons

• Requires 250 mm of vertical mounting clearance
• LED system requires RGBpx-compatible control hardware

Good fit if

• You want a borosilicate glass reservoir holding approximately 470 ml of fluid.
• You have at least 250 mm of vertical mounting space in your chassis.
• You use an RGBpx-compatible controller for lighting.

Skip if

• You have a compact case unable to accommodate a 250 mm tall unit.
• You lack hardware compatible with the RGBpx lighting interface.

Verdict: Aquacomputer ULTITUBE 200 PRO Glass Reservoir provides durable borosilicate glass construction and 470 ml of fluid capacity. It is an ideal baseline pick if your case fits its 250 mm height.

2 Best premium

Alphacool Eisbecher Aurora 250mm Acetal Reservoir

Best for: D5 pump builds needing visible fluid effects

Lighting

D-RGB

Material

Glass

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 is a 250mm glass tube reservoir designed for custom loops. It pairs with a D5 pump body to hold coolant. The unit features D-RGB lighting that creates a water fountain effect inside the tube. It measures 77 by 77 by 242 mm and weighs 1.66 pounds. You get an acetal top and base for durability. This setup suits users who want visible fluid dynamics and specific lighting effects in their build.

Pros

• 250mm glass tube provides ample coolant volume
• D-RGB lighting creates a visible water fountain effect
• Acetal material offers durable construction for the top and base
• Compatible with standard D5 pump bodies

Cons

• Pump is not included in the package
• Requires separate D-RGB controller for lighting
• Larger footprint than 150mm alternatives

Good fit if

• You are building a loop with a D5 pump
• You want visible coolant flow and lighting effects
• You have space for a 250mm vertical tube

Skip if

• You need a complete pump and reservoir combo
• You are using a DDC pump instead of D5
• You prefer a smaller 150mm form factor

Verdict: Alphacool Eisbecher Aurora 250mm Glass Reservoir fits builders who prioritize visual impact and standard D5 pump compatibility. It delivers clear fluid visibility and controlled lighting for those willing to source the pump separately.

3 Best quad fan

Alphacool NexXxoS ST30 480mm Full Copper Radiator

Best for: quad fan 480mm builds

Radiator Size

480mm

Material

copper

Thread Size

G1/4"

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 steel side panels and G1/4 inch ports. This unit weighs 1.226 kg and measures 552 x 124 x 30 mm. It suits builders who need high capacity cooling in a standard 480mm form factor. The black finish matches many case interiors.

Pros

• 480mm size for quad fan mounting
• Full copper construction with steel side panels
• Includes G1/4 inch ports
• Compact 124mm height

Cons

• Heavier at 1.226 kg due to copper build
• Limited to 124mm thickness
• Steel side panels only

Good fit if

• You need a 480mm radiator for four fans
• You prefer full copper internals for heat dissipation
• You want a low-profile 124mm depth

Skip if

• You require a thinner radiator under 124mm
• You need a smaller 360mm or 240mm size
• You prefer aluminum cores over copper

Verdict: Alphacool NexXxos ST30 480mm Quad Fan provides robust cooling for quad fan cases. It fits users prioritizing copper construction and standard 480mm dimensions.

4 Best budget

Alphacool NexXxoS XT45 360mm Copper Radiator

Best for: Standard 360mm black copper radiator builds

Radiator Size

360mm

Material

copper, steel, brass

Thread Size

G1/4"

Dimensions

18.5 × 5.51 × 2.36 inches

Weight

1.52 kilograms

View on Amazon: Alphacool NexXxoS XT45 360mm Copper Radiator

This is a 360mm full copper radiator designed for three 120mm fans. It features black steel side panels and brass G1/4" ports. The unit weighs 1.52 kilograms and measures 400 x 124 x 46mm. You should choose this if you need a reliable copper core with standard mounting options. It suits builders who prefer a classic black finish for their loop.

Pros

• Full copper construction for chambers, fins, and channels
• Six G1/4" threaded ports for easy tubing connections
• Standard 360mm size fits triple 120mm fan setups
• Black steel side panels provide a clean look

Cons

• Steel side panels are lighter than all-copper builds
• Fixed black color limits aesthetic matching options
• No mention of included mounting hardware or fans

Good fit if

• You want a standard 360mm copper radiator
• You prefer a black exterior for your build
• You need six G1/4" ports for fittings

Skip if

• You need an all-copper body without steel panels
• You require a different size like 240mm or 480mm
• You want a white or custom color finish

Verdict: Alphacool NexXxoS XT45 360mm Radiator is a solid choice for users who prioritize copper performance and standard black aesthetics. It fits builders who need a reliable 360mm block with ample port options.

5 Also great

Alphacool NexXxos UT60 360mm Copper Radiator

Best for: Performance builds needing strong cooling

Radiator Size

360mm

Material

copper

Thread Size

G1/4"

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

This is a 360mm triple-fan radiator designed for high airflow cooling. It features a full copper core with brass threads and steel side panels. The unit measures 400 x 124 x 60mm and weighs 1.958kg. It includes six G1/4" ports for flexible tubing connections. You should consider this if you need a robust, high-capacity cooling solution that prioritizes thermal performance and material quality over aesthetic customization.

Pros

• Full copper core for superior heat dissipation
• Six G1/4" ports for versatile tubing routing
• Brass threads ensure durable fittings
• Black exterior for a clean look

Cons

• Steel side panels reduce total copper mass
• Heavy at 1.958kg, requiring strong mounting
• Standard 60mm thickness may limit airflow in tight cases

Good fit if

• You prioritize thermal performance over weight
• You need multiple G1/4" connection points
• You have a case that supports 360mm radiators

Skip if

• You require a full copper build for aesthetics
• You need a thinner radiator for compact cases
• You prefer lighter components for easy installation

Verdict: Alphacool NexXxos UT60 360mm Copper Radiator fits users who need maximum cooling capacity and reliable G1/4" connectivity. It is ideal for performance-focused builds where weight and case depth are not primary constraints.

6 Best 180mm

Alphacool NexXxoS XT45 Full Copper 180mm Radiator

Best for: Compact custom loop builds

Radiator Size

180mm

Material

copper, steel

Thread Size

G1/4

Dimensions

8.78 × 1.77 × 7.17 inches

Weight

1.06 kilograms

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

This is an 180mm single radiator designed for custom loops. It uses a full copper construction for efficient heat exchange. The unit measures 8.78 inches in length and weighs 1.06 kilograms. You should consider this if you need a compact cooling solution that fits smaller cases. It provides a reliable base for your liquid cooling setup without requiring complex mounting hardware.

Pros

• Full copper construction for durability and thermal performance
• Compact 180mm size fits tight spaces
• Weighs only 1.06 kilograms for easy handling
• Available in black finish

Cons

• Single row design offers less surface area than triple fans
• No included pump or reservoir
• Limited to 180mm mounting space

Good fit if

• You have limited space for a radiator
• You prefer full copper components
• You are building a compact custom loop

Skip if

• You need triple fan capacity
• You want an all-in-one solution
• You require aluminum construction

Verdict: Alphacool NexXxos XT45 180mm Copper Radiator suits builders who need a small, high-quality copper core for tight cases. It delivers solid cooling in a minimal footprint.

7 Also great

Alphacool NexXxos UT60 360mm White Radiator

Best for: Compact cases needing white 360mm cooling

Radiator Size

360mm

Material

copper

Thread Size

G1/4"

Fan Mount

Triple Fan

Dimensions

18.1 × 5.51 × 2.76 inches

Weight

3.87 pounds

View on Amazon: Alphacool NexXxos UT60 360mm White Radiator

The Alphacool NexXxos UT60 is a 360mm triple-fan radiator designed for white-themed builds. It features a full copper core with brass threads and steel side panels. The unit measures 400 x 124 x 60mm and weighs 1,756g. It includes six G1/4" ports for flexible tubing routing. This radiator suits users needing a compact 60mm depth for tight cases.

Pros

• Full copper core with copper fins and channels
• Six G1/4" ports for versatile connections
• Compact 60mm thickness fits small form factor cases
• White exterior matches specific build themes

Cons

• Steel side panels rather than full copper construction
• Heavier at 1,756g compared to aluminum alternatives
• Limited to 360mm size without 420mm option in this variant

Good fit if

• You need a 60mm thick radiator for tight cases
• You want a white finish for your build
• You require six G1/4" connection ports

Skip if

• You prefer a 420mm or larger radiator size
• You want a full copper body without steel panels
• You need a black or dark color scheme

Verdict: Alphacool NexXxos UT60 360mm White Radiator fits users who need a compact 60mm depth and white aesthetics. It provides six G1/4" ports and a copper core for reliable cooling in small form factor builds.

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Frequently asked questions

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