GRANZON 100mm Reservoir/PWM DDC Pump Alternatives: 6 Similar Picks Compared
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The Granzon 100mm reservoir PWM DDC pump alternatives list helps you find comparable components when this specific combo does not fit your build. This unit features a 2-inch digital display and supports speeds from 1800 to 4800 RPM. It provides a compact 43ml integrated water tank and delivers a maximum head lift of 6 meters. You might look elsewhere if you need a larger reservoir capacity, a different material like copper or acrylic, or a form factor designed for server racks. The alternatives were chosen because their specs overlap with the original, ensuring they support DDC pumps and fit similar cooling architectures. Some options offer full hard tube kits, while others provide dedicated distribution plates for specific cases. Each pick addresses different needs, from budget constraints to aesthetic preferences. You can compare these 6 picks to find the right balance of size, flow rate, and mounting flexibility for your custom loop.
Our top pick: Granzon 100mm DDC Pump Reservoir Combo.
Comparing Granzon Alternatives
Thermaltake Pacific C240 Copper Hard Tube Kit
The Thermaltake Pacific C240 shifts focus from a single component to a complete loop kit. Unlike the Granzon combo, it includes a 240mm copper radiator and fittings. This makes it a better choice if you need a full DDC loop solution for LGA1700 builds without sourcing parts separately. You give up the integrated digital telemetry and compact 43ml reservoir design. Instead, you get a larger system with copper radiators. This pick suits builders who want pre-assembled hardware and copper aesthetics rather than just a pump and tank unit.
Phanteks Glacier R220C Acrylic Reservoir
The Phanteks Glacier R220C offers a significantly larger 200ml reservoir capacity compared to the Granzon's 43ml integrated tank. It is designed for builders who prioritize fluid volume and RGB lighting effects. You connect to 3-pin RGB headers for digital lighting control. This option lacks the Granzon's digital display for real-time speed and voltage monitoring. It is a solid standalone reservoir for custom loops. Choose this if you need more water storage and visual flair, and do not require the compact, all-in-one form factor with built-in telemetry found in the Granzon unit.
Alphacool ES Reservoir 1U DDC Pump Top
The Alphacool ES Reservoir 1U DDC Pump Top is built for strict space constraints. Its dimensions are 2.67 by 1.57 by 3.94 inches, making it smaller than the Granzon combo. It fits best in compact or server-style chassis where volume is limited. You sacrifice the large 2-inch digital display and the 43ml water tank integration. This component is purely functional for tight builds. Pick this alternative if your case cannot accommodate the Granzon's size, and you need a minimal footprint DDC pump top without display or reservoir features.
Alphacool ES Reservoir 2U DDC Combo
The Alphacool ES Reservoir 2U DDC Combo is specialized for 2U rack server builds. It prioritizes connection density and compact size over aesthetics. Its dimensions are 2.44 by 2.36 by 3.15 inches. You give up the Granzon's digital display and integrated 43ml reservoir. This unit is designed for users who need many ports in a small space. It is not suitable for standard PC cases. Choose this if you are building in a 2U rack environment and need a DDC pump solution that fits specific rack constraints, ignoring the telemetry and reservoir benefits of the Granzon.
Bykski O11 Dynamic XL Distro Plate with DDC Pump
The Bykski O11 Dynamic XL Distro Plate is tailored for LIAN LI O11 Dynamic XL cases. It provides a clean, integrated look with 5v Addressable RGB lighting. This option is for owners who want a pre-assembled loop centerpiece. You lose the Granzon's digital display and flexible speed control options. This distro plate is case-specific and not universal. Pick this if your case matches exactly and you value pre-assembly and RGB effects over the compact, standalone nature and telemetry features of the Granzon 100mm DDC pump reservoir combo.
Bykski InWin 925 Distro Plate with DDC Pump
The Bykski InWin 925 Distro Plate is a specialized solution for InWin 925 case owners. It offers a clean, pre-assembled loop centerpiece with 5v Addressable RGB lighting and DDC pump support. This option lacks the Granzon's 2-inch digital display for monitoring speed and voltage. It is designed for specific case compatibility rather than universal use. You trade the Granzon's compact 43ml reservoir and telemetry for a case-specific distro plate. Choose this if you own an InWin 925 and want a tailored, integrated look with RGB lighting, ignoring the standalone utility of the Granzon unit.
Quick picks
Our 7 picks
Granzon 100mm DDC Pump Reservoir Combo
Best for: compact custom loops requiring integrated hardware monitoring
- Lighting
- Digital Display
- Pump Flow Rate
- 700L/H
- Reservoir Capacity
- 43ml
- Pump Compatibility
- DDC
View on Amazon: Granzon 100mm DDC Pump Reservoir Combo Affiliate link
This integrated DDC pump unit combines a 100mm reservoir setup with a built-in 2-inch digital display showing live speed, flow, voltage, and load. It delivers up to 700 liters per hour and a 6-meter head lift across an 1800 to 4800 RPM range. It suits you if you need compact integration, dual PWM and manual control, and direct hardware telemetry.
Pros
- 2-inch display tracks real-time speed, flow, voltage, and load
- High head pressure rated at 6 meters with 700 L/H flow
- Dual PWM and manual speed adjustments from 1800 to 4800 RPM
- Embedded 43ml base tank fits compact chassis setups
Cons
- Requires a 4-pin Molex connection for power delivery
- Base integrated reservoir holds only 43ml without an expansion tube
Good fit if
- You want integrated on-device metrics for flow, speed, and voltage
- You need a high-head DDC pump reaching up to 6 meters of lift
- You require dual control via motherboard PWM and manual adjustment
Skip if
- You avoid 4-pin Molex cables in your power supply setup
- You require large native fluid capacity without add-on tanks
Verdict: GRANZON 100mm DDC Pump Reservoir with Digital Display delivers strong 6-meter head lift and on-unit monitoring for builders wanting integrated telemetry in tight cases. It provides flexible dual speed regulation without requiring secondary software.
Thermaltake Pacific C240 Copper Hard Tube Kit
Best for: complete DDC loop kits with copper radiators
- Radiator Size
- 240mm
- Socket Compatibility
- LGA1700
- Lighting
- RGB
- Material
- Copper
- Pump Compatibility
- DDC
- Size
- 240mm Radiator
View on Amazon: Thermaltake Pacific C240 Copper Hard Tube Kit Affiliate link
This kit pairs a 240mm copper radiator with a PR15-DDC pump and reservoir. It includes a W4 RGB water block, fittings, tubing, and coolant. The design supports LGA1700 sockets and features 17 fins per inch. You get a complete loop solution with 5V motherboard sync. It suits builders wanting an all-in-one hard tube setup.
Pros
- Includes PR15-DDC pump and reservoir combo
- 240mm copper radiator with 17 fins per inch
- W4 RGB water block with 5V sync
- Comes with fittings, tubing, and coolant
- LGA1700 socket compatibility
Cons
- Slim 27mm radiator thickness limits airflow potential
- Hard tube style requires more installation effort
- No software control for pump or RGB listed
Good fit if
- You want a complete DDC loop kit
- You prefer copper radiators for cooling
- You need LGA1700 support
Skip if
- You need soft tube flexibility
- You want a larger 360mm radiator
- You require independent pump control
Verdict: Thermaltake Pacific C240 DDC Pump Combo is a complete loop solution for LGA1700 builds. It fits users who want copper radiators and included fittings.
Phanteks Glacier R220C Acrylic Reservoir
Best for: DDC pump loops with 3-pin RGB headers
- Lighting
- Digital-RGB
- Material
- Acrylic
- Reservoir Capacity
- 200 ml
- Pump Compatibility
- DDC
- Dimensions
- 3.15 × 8.66 × 1.34 inches
View on Amazon: Phanteks Glacier R220C Acrylic Reservoir Affiliate link
This 200 ml acrylic reservoir is designed for DDC pumps. It features a transparent backplate and integrated Digital-RGB lighting. The unit supports vertical or horizontal mounting. It includes a universal fan bracket for 120 or 140 mm fans. You can sync the lighting with compatible Phanteks cases or motherboards using a 3-pin header. Viton rubber O-rings help ensure a durable seal.
Pros
- 200 ml acrylic tank capacity
- Integrated Digital-RGB lighting
- Vertical or horizontal mounting options
- Universal 120/140 mm fan bracket
- Viton rubber O-ring seal
Cons
- Requires a 3-pin Digital-RGB header for lighting control
- No built-in pump controller included
- Larger footprint than standard 120 mm reservoirs
Good fit if
- You need a DDC-compatible reservoir with RGB lighting
- You want vertical or horizontal mounting flexibility
- You have a 3-pin Digital-RGB header available
Skip if
- You only have 5V ARGB headers
- You need a smaller 100 mm footprint
- You require a built-in pump controller
Verdict: Phanteks Glacier R220C DDC Reservoir fits builders who want a large 200 ml tank with RGB effects and flexible mounting. It is a solid choice for custom loops using DDC pumps and 3-pin lighting headers.
Alphacool ES Reservoir 1U DDC Pump Top
Best for: Compact server-style builds
- Thread Size
- G1/4
- Pump Compatibility
- DDC
- Dimensions
- 3.94 × 2.67 × 1.57 inches
- Weight
- 2.57 ounces
View on Amazon: Alphacool ES Reservoir 1U DDC Pump Top Affiliate link
This Alphacool unit combines a reservoir and pump top for DDC pumps in a compact 1U form factor. It measures 67.9 x 100.2 x 40 mm and weighs just 2.57 ounces. The black finish includes seven G1/4 connections for tubing. You should choose this if you need a small footprint for server-style builds or tight cases. It offers a clean integration point for your loop.
Pros
- Compact 1U design fits tight spaces
- Seven G1/4 ports for tubing connections
- Lightweight at 2.57 ounces
- Integrated DDC pump top
Cons
- Very small reservoir capacity
- No digital display for monitoring
- Single color finish only
Good fit if
- You are building a compact server-style PC
- You need a small footprint for tight cases
- You use a DDC pump and want integrated plumbing
Skip if
- You need a large reservoir for long pump runtimes
- You want RGB lighting or digital readouts
- You prefer a standard desktop case size
Verdict: Alphacool 1U DDC Reservoir Combo is a practical solution for builders with strict space constraints. It fits best in compact or server-style chassis where volume is limited.
Alphacool ES Reservoir 2U DDC Combo
Best for: 2U rack server builds needing many ports
- Material
- Acetal
- Thread Size
- G1/4
- Pump Compatibility
- DDC
- Dimensions
- 3.15 × 2.44 × 2.36 inches
- Weight
- 3.28 ounces
View on Amazon: Alphacool ES Reservoir 2U DDC Combo Affiliate link
This unit combines a reservoir with a DDC pump top, designed specifically for 2U server racks. It offers 11 G1/4 connections for tubing and fittings. The compact dimensions of 62 x 80 x 60 mm make it suitable for space-constrained builds. You get a black finish and a lightweight build at 3.28 ounces. It is ideal for users building in standard 2U enclosures who need reliable flow control.
Pros
- Integrated DDC pump top for direct compatibility
- 11 G1/4 connections for extensive tubing routing
- Compact 2U form factor fits server racks
- Lightweight design at 3.28 ounces
Cons
- Limited to 2U rack mounting only
- No digital display for monitoring levels
- Basic black finish lacks aesthetic customization
Good fit if
- You are building in a 2U server rack case
- You need multiple G1/4 connection points
- You prefer a compact, functional reservoir design
Skip if
- You require a standard ATX desktop case fit
- You want a reservoir with a digital display
- You prefer larger 3U or 4U form factors
Verdict: Alphacool ES Reservoir 2U DDC is a specialized component for 2U rack builds. It fits users who prioritize connection density and compact size over aesthetic features or standard case compatibility.
Bykski O11 Dynamic XL Distro Plate with DDC Pump
Best for: LIAN LI O11 Dynamic XL case owners
- Lighting
- 5v Addressable RGB
- Material
- PMMA
- Pump Compatibility
- DDC
- Dimensions
- 16.7 × 5.67 × 1.32 inches
- Weight
- 10 pounds
View on Amazon: Bykski O11 Dynamic XL Distro Plate with DDC Pump Affiliate link
This Bykski distro plate is built for the LIAN LI O11 Dynamic XL case. It includes a DDC pump with an armor heatsink and 5V addressable RGB lighting. The PMMA acrylic design simplifies tubing runs for a clean look. You get a pre-assembled unit with mounting hardware. It fits loops with radiators up to 30mm thick. This setup is ideal for users wanting an organized, visually striking center for their cooling loop.
Pros
- Includes DDC pump with armor heatsink
- 5V addressable RGB lighting strip
- Pre-assembled PMMA acrylic construction
- Case-specific fit for LIAN LI O11 Dynamic XL
Cons
- Limited to one specific case model
- No software control mentioned for RGB
- Radiators must not exceed 30mm thickness
Good fit if
- You own a LIAN LI O11 Dynamic XL case
- You want a pre-assembled distribution plate
- You prefer 5V addressable RGB lighting
Skip if
- You use a different case brand
- You need a pump without an armor heatsink
- You require software-based lighting control
Verdict: Bykski O11XL Distro Plate DDC Pump offers a tailored solution for LIAN LI O11 Dynamic XL owners. It delivers a clean, integrated look with included pump and RGB lighting. You should choose this if your case matches exactly and you value pre-assembly.
Bykski InWin 925 Distro Plate with DDC Pump
Best for: InWin 925 case water-cooling builds
- Lighting
- 5v Addressable RGB
- Material
- PMMA
- Pump Compatibility
- DDC
- Dimensions
- 14.9 × 5.24 × 1.32 inches
- Weight
- 10 pounds
View on Amazon: Bykski InWin 925 Distro Plate with DDC Pump Affiliate link
This Bykski distro plate is built for the InWin 925 case. It uses PMMA acrylic and supports a DDC pump with an armor heatsink. The unit features 5V addressable RGB lighting. It measures 14.9 inches long and weighs 10 pounds. You get a fully assembled unit with mounting hardware. It simplifies loop layout with minimal tubing runs. This fits users who want a clean, case-specific water-cooling centerpiece.
Pros
- Designed specifically for InWin 925 case fitment
- Supports DDC pump with armor heatsink
- Includes 5V addressable RGB lighting
- Fully assembled PMMA acrylic construction
Cons
- Not recommended for use in other cases
- Heavy at 10 pounds
- Radiators must not exceed 30mm thickness
Good fit if
- You own an InWin 925 case
- You want a pre-assembled distro plate
- You use a DDC pump with armor
Skip if
- You use a case other than InWin 925
- You prefer a pump without an armor heatsink
- You need a lightweight component under 5 pounds
Verdict: Bykski InWin 925 DDC Distro Plate is a specialized solution for InWin 925 owners seeking a clean, pre-assembled loop centerpiece with RGB lighting and DDC pump support.
Specifications side by side
| Spec | Granzon 100mm DDC Pump Reservoir Combo | Thermaltake Pacific C240 Copper Hard Tube Kit | Phanteks Glacier R220C Acrylic Reservoir | Alphacool ES Reservoir 1U DDC Pump Top | Alphacool ES Reservoir 2U DDC Combo | Bykski O11 Dynamic XL Distro Plate with DDC Pump | Bykski InWin 925 Distro Plate with DDC Pump |
|---|---|---|---|---|---|---|---|
| Radiator Size | not specified | 240mm | not specified | not specified | not specified | not specified | not specified |
| Socket Compatibility | not specified | LGA1700 | not specified | not specified | not specified | not specified | not specified |
| Lighting | Digital Display | RGB | Digital-RGB | not specified | not specified | 5v Addressable RGB | 5v Addressable RGB |
| Material | not specified | Copper | Acrylic | not specified | Acetal | PMMA | PMMA |
| Pump Flow Rate | 700L/H | not specified | not specified | not specified | not specified | not specified | not specified |
| Reservoir Capacity | 43ml | not specified | 200 ml | not specified | not specified | not specified | not specified |
| Thread Size | not specified | not specified | not specified | G1/4 | G1/4 | not specified | not specified |
| Display | Digital Display | not specified | not specified | not specified | not specified | not specified | not specified |
| Pump Compatibility | DDC | DDC | DDC | DDC | DDC | DDC | DDC |
| Size | GFMB-100 | 240mm Radiator | 200 ml | not specified | not specified | DDC Pump With Armor | DDC Pump With Armor |
| Dimensions | not specified | 20.7 × 16.1 × 9.61 inches | 3.15 × 8.66 × 1.34 inches | 3.94 × 2.67 × 1.57 inches | 3.15 × 2.44 × 2.36 inches | 16.7 × 5.67 × 1.32 inches | 14.9 × 5.24 × 1.32 inches |
| Weight | not specified | not specified | not specified | 2.57 ounces | 3.28 ounces | 10 pounds | 10 pounds |
| Color | Black | not specified | Black | Black | Black | not specified | not specified |
| Model | GFMB-100 | CL-W242-CU12SW-A | PH-R220C_02 | 15377 | 15376 | not specified | not specified |
Frequently asked questions
Does the Granzon 100mm combo work with DDC pumps?
Yes, the Granzon 100mm DDC Pump Reservoir Combo is explicitly designed for DDC pump compatibility. It integrates the pump directly into the reservoir unit, allowing for a compact and unified installation. This design supports flexible dual speed regulation without requiring secondary software, making it a straightforward choice for builders using standard DDC pumps.
Is there a reservoir option with a digital display for monitoring?
The Granzon 100mm DDC Pump Reservoir Combo includes a digital display for on-unit monitoring. This feature provides integrated telemetry for builders who want to track system status directly on the hardware. It is particularly useful for those working in tight cases where external monitoring tools are difficult to access or install.
What is the best budget alternative with RGB lighting?
The Phanteks Glacier R220C Acrylic Reservoir is the best budget option for this category. It features a large 200 ml tank and supports 3-pin Digital RGB headers. This makes it a solid choice for custom loops using DDC pumps, especially if you want flexible mounting options and visible lighting effects without a high price tag.
Are there reservoirs for compact server-style builds?
Yes, Alphacool offers specialized reservoirs for compact server-style builds. The ES Reservoir 1U DDC Pump Top is designed for strict space constraints, measuring just 2.67 inches in width. The ES Reservoir 2U DDC Combo is another option, prioritizing connection density and compact size over aesthetic features, fitting well in 2U rack builds.
Is there a pre-assembled DDC combo for the O11 Dynamic XL?
The Bykski O11 Dynamic XL Distro Plate with DDC Pump offers a tailored solution for LIAN LI O11 Dynamic XL owners. It delivers a clean, integrated look with included pump and 5v Addressable RGB lighting. You should choose this if your case matches exactly and you value pre-assembly to simplify your build process.
Does the Thermaltake kit include a radiator and fittings?
Yes, the Thermaltake Pacific C240 Copper Hard Tube Kit is a complete loop solution. It includes a 240mm copper radiator and fittings, making it a better choice if you need a full DDC loop solution for LGA1700 builds. This kit shifts focus from a single component to a comprehensive setup with included hardware.
Which DDC reservoir is best for InWin 925 cases?
The Bykski InWin 925 Distro Plate with DDC Pump is a specialized solution for InWin 925 owners. It provides a clean, pre-assembled loop centerpiece with RGB lighting and DDC pump support. This option is ideal for users seeking a tailored fit and integrated aesthetics specifically designed for this particular case model.