Best selling Water cooling reservoirs

Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.

1. Alphacool Aurora D5 Universal Water Cooling Reservoir Black

The Alphacool Eisbecher Aurora expansion tank uses a real glass tube instead of the otherwise usual acrylic tubes. The embedded 5V Digital RGB LED ring and the new design provide an independent and noble look. Of course, the Lighttower water effect is again on board. The mounting can be done via feet but also directly on a 120 or 140mm fan space or even directly on a radiator. Extensive mounting options There are two basic mounting options that can be used but versatile. The Eisbecher Aurora glass expansion tank has included feet for mounting on the bottom of the case, for example. However, the scope of delivery also includes mounting frames with which the Eisbecher Aurora can also be mounted on any 120 or 140 mm fan location. Thus, of course, mounting directly on the radiator or radiator fans is also possible. Digital RGB lighting Whole 12 aRGB LEDs illuminate the glass tube. 

2. EKWB EK-Quantum Kinetic FLT 240 D5/DDC Body D-RGB - Acrylic

The EK-Quantum Kinetic FLT 240 D5/DDC Body D-RGB is an innovative reservoir for water cooling systems, specifically designed for integration with DDC or D5 pumps. This standalone device allows users to utilize their existing pump, providing a cost-effective upgrade option. The reservoir features a modern, flat design that facilitates installation in standard PC cases without the need for additional drilling. With a total of six G1/4" ports, the Kinetic FLT 240 offers numerous options for tubing routing and the implementation of drain or fill valves. Made from high-quality acrylic glass, the reservoir ensures excellent visibility of the coolant, while a black anodized aluminum cover and an addressable D-RGB LED strip provide appealing lighting. The careful construction and use of EPDM O-rings ensure reliable sealing and durability of the product.

- Standalone reservoir without an integrated pump, allowing the use of existing DDC or D5 pumps
- Flat reservoir design for easy installation in standard PC cases
- Six G1/4" ports for flexible tubing routing and additional options for drain and fill valves
- Made from high-quality acrylic glass for optimal visibility of the coolant
- Includes addressable D-RGB LED strip for attractive lighting without visible hotspots. 

3. Singularity Computers Protium expansion tank 200mm - acrylic

Balance tank from Singularity Computers, with a 200mm tube height. The tube, lid, and bottom are made of transparent acrylic, featuring flexible mounting options in silver. 

4. Aqua Computer ULTITUBE D5 100 PRO expansion tank for D5 pumps

AGB by Aqua Computer in the Pro version, for D5 pumps of all manufacturers, made of resistant borosilicate glass, 230 ml filling capacity, with stainless steel filter and pressure compensation membrane, including brackets for floor or wall mounting, with RGBpx lighting. 

5. EKWB EK-QuantumX Loophole Distroplate D5 PWM - black

The EK-QuantumX Loophole Distroplate D5 PWM from EK Water Blocks is an innovative solution for custom water cooling. It combines an elegant design with high functionality, allowing for flexible coolant routing. With a capacity of 562 ml and the ability to be mounted on 140 mm fan spots, this distroplate offers user-friendly installation in various cases. The open internal structure allows for the customization of cooling channels according to personal preferences, enabling tailored adjustments to the specific requirements of the system. The PWM-controlled D5 pump ensures efficient cooling with minimal noise levels, while high-quality materials such as acrylic glass and anodized aluminum provide durability and an appealing look. This distroplate is therefore an excellent choice for anyone seeking a powerful and customizable water cooling solution.

- Customizable design of cooling channels without pre-made structures
- Easy installation on 140 mm fan spots
- PWM-controlled D5 pump for quiet operation and high performance
- High-quality materials like acrylic glass and anodized aluminum
- Compatible with various mounting options and accessories. 

6. Singularity Computers Protium Triple Port Cap, cap for expansion tank - acetal

The Protium Reservoir Triple Port Reservoir Cap can be used both as a replacement part and to expand existing Protium products. The attachment is compatible with all Protium expansion tanks and Protium pump/reservoir combos from Singularity Computers.

The tube attachment is made from black acetal, making it particularly stable and durable. The Protium Reservoir Triple Port Reservoir Cap can be used as a lid and/or bottom of an expansion tank. The attachment provides three G1/4-inch threads that can serve as inlet, outlet, and fill or drain ports.

Technical details:
- Material: Acetal
- Color: Black
- Connections: 3x G1/4-inch
- Compatibility: Protium D5/Reservoir Combo, Protium Reservoirs. 

7. Alphacool AGB ES 2U Reservoir VPP with flow/temperature sensor

The Alphacool ES 2U Reservoir is a versatile expansion tank optimized for use in 2U server cases. The quick-release fittings on the front make maintenance fast and easy. With integrated flow and temperature sensors, the cooling system can be continuously monitored. The illuminated viewing window allows for easy reading of the fluid level at any time.

Optimized for servers, the Alphacool All-in-One expansion tank has been specifically designed for 2U server cases. The unit is compactly built to take up minimal space in the server case. Thanks to the quick-release fittings on the front, the cooling system can be filled and bled quickly and easily. The illuminated viewing window allows for constant monitoring of the fluid level in the system. The Alphacool ES 2U Reservoir is compatible with D5-format pumps, such as the Alphacool VPP Apex.

The reservoir features a temperature sensor that covers a measurement range of -40 to 125 °C and connects to the motherboard via a 2-pin connector. Additionally, a flow sensor, which connects via a 3-pin connector, enables continuous monitoring of the water flow in the cooling system.

Technical specifications:
Dimensions (L x W x H) (without pump): 146.00 x 99.66 x 83.90 mm
Material: Metal, Acetal
Weight: 1500 g
Connections (front): 2x quick-release G1/4"
Connections (back): 1x G1/4" In | 1x G1/4" Out
Flow sensor connection: 3-Pin
Temperature sensor connection: 2-Pin
aRGB connection: 3-Pin 5V
Pump compatibility: D5/VPP
Maximum operating temperature: 60 °C
Pressure tested: 0.8 bar
Color: black. 

8. Stealkey Customs Lian Li O11D Mini Front MK2 D5 Distroplate - Acrylic - Black

Distro plate for Lian Li O11D Mini, large chamber with 5 channels, featuring 12 ports including fill and drain ports. Made of high-quality acrylic, it includes 12 G1/4 inch connectors and has a capacity of 435 ml. 

9. Aqua Computer Aquainlet PRO with nano coating

The Aquainlet PRO expansion tank from Aqua Computer is a highly advanced solution for water cooling, specifically designed for mounting on aquastream XT or Eheim 1046 pumps. With a filling volume of 100 ml, this tank offers optimal integration into your cooling system. The design ensures stable mounting and allows for the use of decoupling rubbers or a Shoggy sandwich, minimizing noise generation. The use of borosilicate glass for the tube provides high hardness and scratch resistance, while the chemical and thermal resistance of the material guarantees long-lasting use. The Aquainlet PRO is not only functional but also aesthetically pleasing, making it an ideal choice for discerning PC builders.

- Direct mounting on aquastream XT or Eheim 1046 pumps for seamless integration
- Borosilicate glass tube offers high hardness, scratch resistance, and excellent chemical resistance
- Flexible connection options with two offset connection threads at 90°
- Secure attachment with O-ring seal and two locks to prevent accidental loosening. 

10. Aqua Computer aqualis XT 880 ml with level measurement and illumination option

The Aqualis XT expansion tank from Aqua Computer is a highly developed solution for water cooling systems that meets both functional and aesthetic demands. With a filling volume of 880 ml and a robust borosilicate glass tube, this tank offers superior scratch resistance and chemical durability compared to conventional acrylic tanks. The construction features a base and lid made of Delrin, connected by a nickel-plated brass tube. A special highlight is the integrated water column effect, which creates an impressive visual impact when combined with lighting. The ability to integrate up to six LEDs allows for customized lighting options. Additionally, the electronic level measurement ensures precise monitoring of the water level, making system handling and maintenance easier.

- High-quality borosilicate glass tube for high scratch resistance and chemical durability
- Integrated electronic level measurement with USB connection
- Space for up to six LEDs for personalized lighting
- Versatile connection options for optimal integration into water cooling systems
- Baffle plate for effective venting of the circuit. 

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