Watercool
Watercool MO-RA IV Tank 275 D5
Best high-performance cooling solution for custom PC enthusiasts.
Elevate your PC's cooling with the Watercool MO-RA IV Tank 275 D5. This premium reservoir and pump unit is engineered for the MO-RA IV radiator series, combining high-end acetal and Plexiglas GS construction with optimized fluid dynamics. Its flow-optimized design ensures superior performance and easy ventilation, while the integrated D5 pump delivers maximum flow. The unit features a sleek brushed stainless steel cover that can optionally house an aRGB module for subtle illumination. Installation is a breeze with a simple push-on and hook-in system, directly connecting to your MO-RA IV radiator. Expandability for a second D5 pump module is also available for even greater cooling potential.
$225.75
Owner Satisfaction
4.8
/ 5
Category Rank
35
/ 3605
#35 in Computer System Cooling Parts
Price vs Category Average
+50%
Above average
Material Body
Acetal
/ Acetal
Who it's for
- Builders seeking a streamlined, clutter-free external cooling setup
- Enthusiasts managing complex loops with multiple high-performance components
- System builders prioritizing long-term durability and premium aesthetics
Who should skip it
- Budget-conscious builders looking for cost-effective cooling solutions
- Users wanting universal compatibility for standard PC cases
- Shoppers preferring an all-in-one unit with an included pump
Performance breakdown
Thermal Efficiency
Flow-optimized design maximizes heat dissipation for extreme cooling setups.
Build Quality
Premium acetal and Plexiglas GS construction ensure long-term durability.
Installation Ease
Simple push-on and hook-in system makes mounting remarkably straightforward.
Acoustic Performance
Vibration-decoupled pump housing keeps noise levels impressively low.
System Expandability
Dual pump support offers significant headroom for complex loop configurations.
Aesthetic Integration
Sleek stainless steel finish provides a clean, professional look.
Key Specs
Material Body
Acetal
Material Front
Plexiglas GS
External Dimensions (L x W x H)
350x84x49mm
Weight
approx. 1.35 kg
Filling Capacity
approx. 0.33L
Connection Back Side
1x MO-RA IV Tank Adaptor G 1/4 inch
Fill Ports Top Side
2x G 3/8
Compatible Models
MO-RA IV 200/400 (no second pump/extension possible), MO-RA IV 600
Features
- Flow-optimized for superior cooling performance
- Integrated D5 pump for maximum water flow
- Vibration-decoupled pump for quiet operation
- Easy push-on and hook-in installation
- Direct connection to MO-RA IV radiators
- Expandable for dual D5 pump configurations
- Optional aRGB illumination for aesthetic customization
- Premium Acetal and Plexiglas GS construction
What customers say
Users overwhelmingly praise the Watercool MO-RA IV Tank 275 D5 for its exceptional build quality and reliability. The component is consistently described as robust and tank-like, reflecting superior engineering and high-grade materials. A major benefit is the seamless integration; the pump and reservoir mount securely, creating a clean, monolithic external cooling solution. Reviewers value the effective pump decoupling, which significantly reduces vibration and noise, crucial for silent operation even under heavy load. While the investment is substantial, the community agrees that the flawless material quality and definitive performance justify the cost. This unit is considered the essential, high-performance centerpiece for serious external cooling loops, prioritizing reliability and professional aesthetics.
Know before you buy
Yes, the unit comes with an integrated D5 pump, providing high-performance flow right out of the box.
Yes, the reservoir is designed to be expandable, allowing you to install a second D5 pump module if you require additional cooling capacity or redundancy.
This tank is compatible with the MO-RA IV 200, 400, and 600 series. Please note that the 200 and 400 models do not support the second pump extension.
The tank uses a straightforward push-on and hook-in system that mounts directly to the MO-RA IV radiator, ensuring a secure and clean connection.
The unit is compatible with aRGB lighting, but the module is optional. You will need to purchase the aRGB module separately if you wish to add illumination to the stainless steel cover.
The body is crafted from durable acetal, while the front is made from high-quality Plexiglas GS. The exterior features a sleek, brushed stainless steel cover.
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$226