Looking Beyond the Bitspower 4-DIMM RAM Water Cooling? 5 Alternatives Worth a Look
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You might be looking for bitspower 4 dimms RAM water cooling alternatives because the original product has specific limitations. The Phanteks Glacier R220C is a 200 ml acrylic reservoir designed for DDC pumps. It features digital RGB lighting and a compact 8.66-inch width. This design is ideal for space-conscious builds that prioritize a small footprint. However, you may need more fluid capacity or a different pump type. Some builders prefer D5 pumps for higher flow rates. Others require larger reservoirs for better air bubble management. The original unit does not support D5 motors directly.
The alternatives listed here were chosen because their specs overlap with the original. Each option provides a distinct advantage based on your specific loop requirements. The list includes high-capacity 700 ml spheres for D5 setups. It also offers flat reservoirs for unique mounting scenarios. You can find CPU blocks and GPU blocks that match the digital RGB style. These options cover various materials and lighting types. This guide helps you compare dimensions, port counts, and compatibility. You will find a solution that fits your chassis and pump choice better than the standard RAM block.
Our top pick: Phanteks Glacier R220C Acrylic Reservoir.
How alternatives differ from Phanteks
Alphacool Eisball D5 Reservoir and Pump Top
The Alphacool Eisball D5 Reservoir and Pump Top swaps the DDC pump compatibility of the Phanteks unit for a D5 motor mount. You gain a larger 700 ml fluid capacity, which helps with heat dissipation and air bubble removal in larger loops. The spherical acrylic design measures 5.04 inches in width and height, offering a more compact footprint than the Phanteks 8.66-inch length. It also features digital RGB lighting. You should choose this if you already own a D5 pump and need more reservoir volume without sacrificing lighting effects.
Alphacool Eisball 700ml D5 Reservoir
The Alphacool Eisball 700ml D5 Reservoir Combo provides the same 700 ml capacity as the previous item but is sold as a standalone reservoir. It is designed for D5 pumps and includes digital RGB lighting. The spherical profile measures 5.04 inches wide and 2.01 inches long. Unlike the Phanteks Glacier R220C, which integrates the pump housing, this unit requires you to source a separate D5 pump top. It is best for builders who prefer a distinct separation between the pump and reservoir components while maintaining a high fluid volume and aesthetic lighting.
Alphacool Eisblock XPX Aurora CPU Water Block
The Alphacool Eisblock XPX Aurora CPU Water Block serves a completely different purpose than the Phanteks reservoir. It is designed for cooling Intel and AMD CPUs rather than holding fluid. It features a nickel-plated copper base and digital RGB lighting. The block has a compact height of 1.3 inches and weighs 7.27 ounces. It uses standard G1/4-inch threading for loop connections. You would pick this instead of the Phanteks unit if you need to cool your processor directly in a custom loop, as the reservoir does not provide direct contact with the CPU heat spreader.
EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
The EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir offers a flat design with a 240 mm form factor. It includes four G1/4-inch ports and addressable D-RGB lighting. The unit measures 19.7 inches wide and 11 inches long, making it significantly larger than the compact Phanteks Glacier R220C. It is intended for use with standalone pumps rather than integrated pump reservoir combos. You should consider this option if you have ample case space and prefer a flat reservoir layout that integrates seamlessly with radiator mounts, prioritizing aesthetics and port flexibility over compactness.
Phanteks Glacier G4090 Gigabyte GPU Water Block
The Phanteks Glacier G4090 Gigabyte GPU Water Block is designed exclusively for Gigabyte RTX 4090 graphics cards. It features a 10mm copper base and digital RGB lighting. The block measures 11.5 inches long and 1 inch high. Unlike the Phanteks Glacier R220C reservoir, which manages fluid volume and pump integration, this block provides direct cooling for the GPU die and VRMs. You would choose this if you are building a custom loop for a high-end Gigabyte RTX 4090 and need targeted cooling for your graphics card rather than fluid storage for the entire loop.
Quick picks
Our 6 picks
Phanteks Glacier R220C Acrylic Reservoir
Best for: compact custom loops using DDC pumps
- 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 combo reservoir gives you a compact distribution point with built-in DDC pump compatibility. It measures 8.66 by 1.34 by 3.15 inches and mounts vertically or horizontally onto standard 120mm or 140mm fan locations. You get integrated digital RGB lighting that connects to a 3-pin motherboard header, multiple ports for loop planning, and Viton rubber O-rings. It suits custom loops needing a flat reservoir with pump integration.
Pros
- Includes universal 120mm and 140mm fan mounting bracket
- Supports both vertical and horizontal loop orientations
- Integrated 3-pin digital RGB lighting
- Durable Viton rubber sealing O-rings
Cons
- Only compatible with DDC pumps
- Coolant capacity is limited to 200 ml
Good fit if
- You use a DDC pump in your cooling loop.
- You want to mount your reservoir directly to 120mm or 140mm fan locations.
- You need a reservoir that supports horizontal or vertical mounting.
Skip if
- You plan to run a D5 pump setup.
- You need fluid capacity greater than 200 ml.
Verdict: Phanteks Glacier 220mm DDC Reservoir provides a compact 200 ml acrylic chamber with multi-orientation fan bracket mounting. It offers integrated digital RGB lighting and dedicated DDC pump housing for space-conscious loops.
Alphacool Eisball D5 Reservoir and Pump Top
Best for: custom loops using standalone D5 pumps
- Lighting
- 22 digital RGB LEDs, 5 VDC, 4-pin
- Reservoir Capacity
- 700 ml
- Thread Size
- G1/4
- Material
- Acrylic, Plexi
- Pump Compatibility
- D5
- Dimensions
- 4.63 × 5.04 × 5.04 inches
View on Amazon: Alphacool Eisball D5 Reservoir and Pump Top Affiliate link
The Alphacool Eisball Reservoir and D5 Pump Top is a spherical 700 ml coolant reservoir designed for custom liquid loops. You get built-in Digital RGB lighting, transparent nylon construction, and a dedicated acetal mount for a D5 pump. Measuring 117.51 by 128 by 128 mm, it fits setups where standard cylinder reservoirs do not work. It suits you if you already have a D5 pump and want high coolant capacity.
Pros
- 700 ml coolant capacity
- Integrated Digital RGB lighting
- Direct compatibility with D5 pumps
- Transparent nylon body with acetal pump holder
Cons
- Pump not included in package
- Spherical 117.51 x 128 x 128 mm size requires substantial case clearance
Good fit if
- You already own an unmounted D5 pump.
- You need 700 ml reservoir volume with addressable lighting.
- You have clearance for a 128 mm spherical mount.
Skip if
- You need a reservoir that includes a pump motor.
- You use DDC pump platforms.
Verdict: Alphacool Eisball 700ml Reservoir D5 Top provides a 700 ml fluid reservoir and D5 pump top with Digital RGB lighting. It suits builders who need high fluid volume and already own a D5 motor.
Alphacool Eisball 700ml D5 Reservoir
Best for: high-capacity D5 custom loop builds
- Lighting
- 22 digital RGB LEDs, 5VDC, 4-Pin
- Reservoir Capacity
- 700 ml
- Thread Size
- G1/4
- Material
- Acrylic, Plexi
- Dimensions
- 2.01 × 5.04 × 5.04 inches
- Weight
- 2.03 pounds
View on Amazon: Alphacool Eisball 700ml D5 Reservoir Affiliate link
The Alphacool Eisball is a spherical reservoir and D5 pump combo designed for custom liquid cooling loops. You get a 700 ml fluid capacity inside a transparent nylon body with an acetal pump holder. Built-in digital RGB lighting illuminates the sphere. Measuring 117.51 by 128 by 128 mm, it suits your build if you want high fluid volume and D5 pump integration in a distinct ball-shaped form factor.
Pros
- Large 700 ml reservoir capacity
- Direct D5 pump compatibility
- Integrated digital RGB lighting
- Transparent nylon reservoir body with acetal pump holder
Cons
- Spherical 128 mm footprint requires significant mounting clearance
- Compatibility limited strictly to D5 style pumps
Good fit if
- You need a 700 ml reservoir capacity with native D5 pump mounting.
- You want addressable digital RGB illumination across a spherical reservoir.
Skip if
- You run a DDC pump setup instead of D5 hardware.
- You have a small-form-factor case unable to fit a 128 mm sphere.
Verdict: Alphacool Eisball 700ml D5 Reservoir Combo provides high 700 ml capacity and digital RGB lighting for loops centered on D5 pump hardware. Its spherical 128 mm profile delivers a distinctive layout if your chassis has the clearance.
Alphacool Eisblock XPX Aurora CPU Water Block
Best for: Intel and AMD custom loop CPU cooling
- Socket Compatibility
- LGA 1700, AM5, LGA 1200
- Lighting
- ARGB
- Material
- Nickel-plated copper, acrylic
- Thread Size
- G1/4
- Coolant Type
- Deionized Water
- Dimensions
- 2.98 × 2.98 × 1.3 inches
View on Amazon: Alphacool Eisblock XPX Aurora CPU Water Block Affiliate link
This CPU water block provides cooling for Intel and AMD processors within your custom liquid loop. You get a nickel-plated copper base, acrylic plexi housing, and integrated Digital RGB illumination. It connects with standard two G1/4-inch threads and operates at a maximum working temperature of 60 degrees Celsius. It measures 75.8 by 75.8 by 33 millimeters, making it a fit if you need a dedicated processor block.
Pros
- Nickel-plated copper cooler plate
- Compatible with both Intel and AMD processors
- Standard 2 x G1/4-inch threaded ports
- Integrated Digital RGB illumination
Cons
- Maximum working temperature limited to 60 degrees Celsius
- Offers only two G1/4-inch ports without alternative inlet options
Good fit if
- You need liquid cooling for an Intel or AMD processor socket.
- You want nickel-plated copper construction with Digital RGB lighting.
- You use standard G1/4-inch fittings in your cooling loop.
Skip if
- You are looking specifically for dedicated RAM water cooling.
- You require coolant loop operation above 60 degrees Celsius.
Verdict: Alphacool Eisblock XPX Aurora CPU Water Block delivers nickel-plated copper cooling for Intel and AMD processors with Digital RGB accent lighting. It provides a compact 33 mm height profile with standard G1/4-inch threading for custom loops.
EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir
Best for: flat reservoir mounting with standalone pumps
- Lighting
- Digital RGB
- Material
- Acrylic
- Reservoir Capacity
- ~225ml
- Thread Size
- 4 x G1/4"
- Dimensions
- 19.7 × 19.7 × 11 inches
- Weight
- 2.16 pounds
View on Amazon: EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir Affiliate link
The EKWB EK-Quantum Volume FLT 240 Reservoir provides dedicated coolant capacity for custom loops without an integrated pump. Built from acrylic and plexi, it measures 240 by 120 by 53.5 millimeters with its mounting system and holds approximately 225 milliliters of fluid. It features four G1/4-inch ports and addressable D-RGB lighting. You can use it to expand fluid volume in loops with an existing standalone pump.
Pros
- Equipped with four standard G1/4-inch ports
- Constructed with acrylic and plexi materials
- Integrated addressable D-RGB lighting implementation
- Flat form factor measuring 240x120x53.5mm with mounting system
Cons
- Does not include an integrated pump
- Coolant capacity is limited to roughly 225ml
Good fit if
- You already have a standalone pump and only need a reservoir.
- You want a flat-profile reservoir with four G1/4-inch port options.
- You need addressable D-RGB lighting built into the acrylic housing.
Skip if
- You need a combo unit that integrates both pump and reservoir.
- You require a fluid capacity greater than 225ml.
Verdict: EKWB EK-Quantum Volume FLT 240 Reservoir provides a flat acrylic fluid chamber with four G1/4-inch ports and addressable D-RGB lighting. It fits cleanly into custom loops that utilize a separate, standalone pump unit.
Phanteks Glacier G4090 Gigabyte GPU Water Block
Best for: Gigabyte RTX 4090 custom water loops
- Lighting
- Digital-RGB
- Material
- Nickel-Plated Copper, Acrylic, Aluminum
- Dimensions
- 11.5 × 4.94 × 1 inches
- Weight
- 2.94 pounds
View on Amazon: Phanteks Glacier G4090 Gigabyte GPU Water Block Affiliate link
This full-cover GPU water block cools the entire PCB of your graphics card. It features a 10mm copper base, an acrylic top, and a Viton rubber washer to prevent leaks. The unit includes integrated Digital-RGB lighting compatible with addressable motherboard headers. It measures 11.5 inches long and weighs 2.94 pounds. You will find it suitable if you plan to cool a Gigabyte Aorus Master or Gaming RTX 4090.
Pros
- Thick 10mm copper base provides direct heat transfer
- Full-cover design covers the entire graphics card PCB
- Viton rubber washer maintains seal force against leaks
- Integrated Digital-RGB lighting syncs with compatible motherboards
Cons
- Fits only Gigabyte AORUS Master and Gaming RTX 4090 models
- Large footprint at 11.5 inches long and 2.94 pounds
Good fit if
- You own a Gigabyte Aorus Master or Gaming RTX 4090 graphics card.
- You want a block with a 10mm thick copper base and Viton sealing.
Skip if
- You need a water block for RAM modules or a CPU.
- You use an RTX 4090 card from a different manufacturer.
Verdict: Phanteks Glacier G4090 RTX 4090 Water Block delivers targeted full-board cooling with a substantial 10mm copper base. It is built strictly for compatible Gigabyte RTX 4090 graphics cards.
Specifications side by side
| Spec | Phanteks Glacier R220C Acrylic Reservoir | Alphacool Eisball D5 Reservoir and Pump Top | Alphacool Eisball 700ml D5 Reservoir | Alphacool Eisblock XPX Aurora CPU Water Block | EKWB EK-Quantum Volume FLT 240 Acrylic Reservoir | Phanteks Glacier G4090 Gigabyte GPU Water Block |
|---|---|---|---|---|---|---|
| Socket Compatibility | not stated | not stated | not stated | LGA 1700, AM5, LGA 1200 | not stated | not stated |
| Lighting | Digital-RGB | 22 digital RGB LEDs, 5 VDC, 4-pin | 22 digital RGB LEDs, 5VDC, 4-Pin | ARGB | Digital RGB | Digital-RGB |
| Material | Acrylic | not stated | not stated | Nickel-plated copper, acrylic | Acrylic | Nickel-Plated Copper, Acrylic, Aluminum |
| Reservoir Capacity | 200 ml | 700 ml | 700 ml | not stated | ~225ml | not stated |
| Thread Size | not stated | G1/4 | G1/4 | G1/4 | 4 x G1/4" | not stated |
| Coolant Type | not stated | not stated | not stated | Deionized Water | not stated | not stated |
| Pump Compatibility | DDC | D5 | not stated | not stated | not stated | not stated |
| Dimensions | 3.15 × 8.66 × 1.34 inches | 4.63 × 5.04 × 5.04 inches | 2.01 × 5.04 × 5.04 inches | 2.98 × 2.98 × 1.3 inches | 19.7 × 19.7 × 11 inches | 11.5 × 4.94 × 1 inches |
| Weight | not stated | 1.42 pounds | 2.03 pounds | 7.27 ounces | 2.16 pounds | 2.94 pounds |
| Size | 200 ml | not stated | 700 mL" | not stated | D-RGB FLT 240 | not stated |
| Color | Black | Argb | ARGB | Black | not stated | Chrome |
| Model | PH-R220C_02 | 15362 | 13324 | 12946 | 3831109819739 | PH-GB4090GB_CR01_BP |
If you evaluate filtration hardware alongside loop components, you can inspect express water rouv10d alternatives for your setup.
Frequently asked questions
Can I use these reservoirs with a DDC pump?
Yes, the Phanteks Glacier R220C is designed specifically for DDC pumps. It features a dedicated housing for this pump type. Other options like the Alphacool Eisball D5 are built for standalone D5 motors instead. You must match the reservoir to your chosen pump hardware to ensure proper fit and function.
What is the fluid capacity of the Alphacool Eisball reservoirs?
Both Alphacool Eisball models provide a 700 ml fluid capacity. This high volume helps with heat dissipation and air bubble removal in custom loops. The larger tank size offers more thermal mass compared to smaller reservoirs, which can be beneficial for maintaining stable temperatures during heavy loads.
Do these components support digital RGB lighting?
Yes, all listed products feature digital RGB lighting. The Phanteks Glacier R220C includes integrated digital RGB. The Alphacool Eisball series and the EKWB Quantum Volume FLT 240 also offer digital or addressable RGB options. This allows you to synchronize lighting effects with your other compatible system components.
Is there a flat reservoir option for tight spaces?
The EKWB EK-Quantum Volume FLT 240 is a flat acrylic reservoir. It measures 19.7 inches in width and 11 inches in height. This design fits cleanly into custom loops that utilize a separate, standalone pump unit. It is ideal for builds where vertical space is limited.
Are these parts compatible with Intel and AMD CPUs?
The Alphacool Eisblock XPX Aurora CPU Water Block supports both Intel and AMD processors. It provides nickel-plated copper cooling with a compact 33 mm height profile. Standard G1/4-inch threading allows for easy integration into custom loops. This makes it a versatile choice for various motherboard socket types.
Which GPU water block is suitable for RTX 4090 cards?
The Phanteks Glacier G4090 is built strictly for compatible Gigabyte RTX 4090 graphics cards. It delivers targeted full-board cooling with a substantial 10mm copper base. The block features a chrome finish and digital RGB lighting. It ensures direct contact with the GPU die for effective heat transfer.
What material are these reservoirs made from?
Most reservoirs in this list are constructed from acrylic or plexi. The Phanteks Glacier R220C uses an acrylic chamber. The Alphacool Eisball models combine acrylic and plexi materials. The EKWB Quantum Volume FLT 240 also utilizes acrylic. These materials provide clarity to view the fluid and bubbles within the loop.
How does the Alphacool Eisball D5 differ from the R220C?
The Alphacool Eisball D5 swaps the DDC pump compatibility of the Phanteks unit for a D5 motor mount. You gain a larger 700 ml fluid capacity. This suits builders who need high fluid volume and already own a D5 motor. The Phanteks unit remains more compact at 200 ml.