6 Best Alternatives to the Thermaltake Pacific 400ml D5 Pump (2026)

Comparing alternatives to Thermaltake Pacific

Thermaltake Pacific PR32-D5 Plus Pump Reservoir

The Thermaltake Pacific PR32-D5 Plus shares the same 400ml capacity and D5 pump compatibility as the original. Both units measure 13.3 inches in length, 5 inches wide, and 4.25 inches high. They both weigh 1 pound and feature RGB lighting. The primary difference is the model designation and specific marketing focus. This version emphasizes high-flow performance and flexible tubing installation. You should choose this if you want the same physical footprint and fluid volume but prioritize flow rate specifications over other features. It is a direct alternative for builders who need a large reservoir that fits the same case dimensions.

EK-Quantum Kinetic TBE 200 D5 Plexi Combo

The EK-Quantum Kinetic TBE 200 D5 Plexi Combo differs significantly in size. It measures 3.59 inches long, 3.07 inches wide, and 7.79 inches high. This is much smaller than the 13.3-inch original. It weighs only 10.6 ounces compared to the 1-pound original. It still supports D5 pumps and offers RGB lighting. The material is acrylic and plexi. You should pick this if you need a compact pump-reservoir combo. It saves space in smaller cases. You give up the large 400ml fluid capacity. This option is best for builders who value integrated components and visual customization in a tighter form factor.

EK EK-Quantum Velocity 2 1700 CPU Block, Plexi

The EK-Quantum Velocity 2 1700 CPU Block is not a reservoir. It is a water block for Intel LGA 1700 CPUs. It measures 19.7 inches in length and width, and 11 inches in height. It weighs 10.6 ounces. It features RGB lighting and includes thermal paste. It does not hold fluid or house a pump like the original. You should choose this if you are building a custom loop for an Intel LGA 1700 processor. You already own a pump and reservoir. This block provides cooling for the CPU. It is a specialized component for a different part of the loop. It does not replace the reservoir function.

EK Quantum Velocity 2 D-RGB 1700 Water Block

The EK Quantum Velocity 2 D-RGB 1700 Water Block is another CPU block, not a reservoir alternative. It is designed for Intel LGA 1700 sockets. It features D-RGB lighting for visual customization. It does not have a fluid capacity or pump compatibility like the original 400ml unit. It lacks the large physical size of the Thermaltake reservoir. You should select this if you need a high-quality coldplate for your CPU. You already have a separate pump and reservoir. This block fits into your custom loop design. It does not offer storage for coolant. It is a component for heat exchange, not fluid storage.

EK Quantum Velocity 2 AM5 Nickel Plexi Water Block

The EK Quantum Velocity 2 AM5 Nickel Plexi Water Block is for AMD AM5 sockets. It measures 5 inches long, 4 inches wide, and 1 inch high. It weighs 1.23 pounds. It features RGB lighting and a nickel finish with plexi top. It does not hold fluid or contain a pump. It is a coldplate for the CPU. You should pick this if you are building an AM5 system. You need a dedicated CPU block. You already have a reservoir. This block provides cooling performance. It does not replace the Thermaltake Pacific reservoir. It serves a different function in your custom liquid cooling loop.

EK Quantum Velocity 2 AM5 CPU Water Block

The EK Quantum Velocity 2 AM5 CPU Water Block is an acetal-based coldplate for AMD AM5 processors. It measures 19.7 inches in length and width, and 11 inches in height. It weighs 1.28 pounds. It features RGB lighting and a black acetal base. It does not store fluid or house a pump. It is not a reservoir alternative. You should choose this if you want a durable acetal base for your AM5 CPU. You already own a pump and reservoir. This block cools the processor. It does not offer the 400ml capacity of the original. It is a specialized component for heat dissipation, not fluid storage.

Quick picks

Our 7 picks

1 Best overall

Thermaltake Pacific 400ml D5 Pump Reservoir

Best for: Smart RGB control and 400ml capacity

Lighting

RGB

Reservoir Capacity

400ml

Pump Compatibility

D5

Dimensions

13.3 × 5 × 4.25 inches

Weight

1 pounds

View on Amazon: Thermaltake Pacific 400ml D5 Pump Reservoir Affiliate link

The Thermaltake Pacific PR32-D5 Plus is a 400ml reservoir designed for D5 pumps. It measures 13.3 inches long, 5 inches wide, and 4.25 inches high. The unit weighs 1 pound. It features RGB lighting compatible with TT RGB Plus, Alexa, and Razer Chroma. This combination of size and smart control makes it a strong option for builders seeking integrated lighting management.

Pros

• 400ml capacity for ample fluid volume
• Compatible with D5 pumps
• Supports TT RGB Plus, Alexa, and Razer Chroma
• 16.8 million RGB color options

Cons

• Larger footprint at 13.3 inches may not fit small cases
• 1-pound weight adds mass to the loop
• Requires specific software or ecosystem for full RGB control

Good fit if

• You need a 400ml reservoir for a D5 pump setup
• You want RGB lighting controlled via Alexa or Razer Chroma
• You have case space for a 13.3-inch long component

Skip if

• You require a pump/reservoir combo unit
• You prefer silent pumps over high-flow D5 options
• You need a compact reservoir under 10 inches long

Verdict: Thermaltake Pacific PR32-D5 Plus 400ml D5 fits builders who prioritize smart lighting integration and ample fluid capacity. It is ideal for cases with ample length and users invested in the TT RGB Plus or Razer ecosystems.

2 Also great

Thermaltake Pacific PR32-D5 Plus Pump Reservoir

Best for: High-flow builds with flexible tubing needs

Lighting

16.8 Million RGB

Pump Flow Rate

1135 liter/hour

Reservoir Capacity

400ml

Thread Size

G1/4

Pump Compatibility

D5

Dimensions

13.3 × 5 × 4.25 inches

View on Amazon: Thermaltake Pacific PR32-D5 Plus Pump Reservoir Affiliate link

This unit combines a D5 pump with a 400ml reservoir. It features a 360-degree rotary cap for flexible tubing placement. The pump moves 1135 liters per hour. You get 16.8 million RGB colors via software. It includes a bracket for fan mounting. This setup suits builders needing high flow and large fluid capacity.

Pros

• 400ml reservoir capacity
• 1135 L/h flow rate
• 360-degree rotary cap
• 16.8 million RGB colors
• Fan mounting bracket included

Cons

• Requires software for RGB control
• 1 pound weight adds load
• No silent pump variant listed

Good fit if

• You need high flow rates
• You want flexible tubing angles
• You prefer large reservoirs

Skip if

• You require silent operation
• You have limited space
• You want hardware controls

Verdict: Thermaltake PR32-D5 Plus 400ml offers strong pumping power and flexible installation. It fits builders who prioritize flow rate and reservoir size over silent performance.

3 Best premium

EK-Quantum Kinetic TBE 200 D5 Plexi Combo

Best for: Compact integrated pump-reservoir builds

Lighting

D-RGB

Material

Acrylic

Pump Flow Rate

Up to 1500L/h

Reservoir Capacity

205mL

Thread Size

G1/4"

Pump Compatibility

D5

View on Amazon: EK-Quantum Kinetic TBE 200 D5 Plexi Combo Affiliate link

The EKWB Kinetic TBE 200 D5 combines a D5 pump with a 60mm tube reservoir in a single unit. It features addressable D-RGB lighting and six G1/4" ports for flexible tubing connections. The acrylic body stands 200mm tall. This combo suits builders who want a compact, illuminated reservoir-pump solution that integrates seamlessly into a loop.

Pros

• Integrated D5 pump and reservoir
• Six G1/4" connection ports
• Addressable D-RGB lighting
• 60mm tube diameter

Cons

• 200mm height requires case clearance
• Acrylic material may scratch
• No software control mentioned

Good fit if

• You need a pump and reservoir in one unit
• You want addressable RGB lighting
• You have space for a 200mm vertical unit

Skip if

• You require software control for lighting
• You need a smaller footprint than 200mm
• You prefer metal reservoirs over acrylic

Verdict: EKWB Kinetic TBE 200 D5 offers a compact pump-reservoir combo with addressable lighting for builders who value integrated components and visual customization.

4 Best budget

EK EK-Quantum Velocity 2 1700 CPU Block, Plexi

Best for: Intel LGA 1700 custom loop builders

Socket Compatibility

LGA 1700, 1851

Lighting

D-RGB

Material

Nickel, plexi

Dimensions

19.7 × 19.7 × 11 inches

Weight

10.6 ounces

View on Amazon: EK EK-Quantum Velocity 2 1700 CPU Block, Plexi Affiliate link

This is a CPU water block for Intel LGA 1700 sockets. It uses a nickel base and plexi top. The block includes D-RGB lighting. It mounts via the eK exact Mount system. Thermal Grizzly Hydronaut paste is included. You get a socket-specific cooling engine. This setup suits users building a custom loop for modern Intel processors.

Pros

• Compatible with Intel LGA 1700 sockets
• Includes D-RGB lighting for motherboard sync
• Mounts via eK exact Mount system
• Comes with Thermal Grizzly Hydronaut paste

Cons

• Only supports Intel LGA 1700 sockets
• Plexi top may scratch more easily than metal
• Does not include a pump or reservoir

Good fit if

• You are building a loop for Intel LGA 1700
• You want D-RGB lighting control
• You prefer nickel and plexi aesthetics

Skip if

• You use AMD or older Intel sockets
• You need a complete pump and reservoir combo
• You prefer all-metal construction

Verdict: EK-Quantum Velocity 2 LGA 1700 Block is a solid choice for Intel LGA 1700 builders who want D-RGB lighting and included thermal paste. It fits custom loop builders who need a dedicated CPU block.

5 Also great

EK Quantum Velocity 2 D-RGB 1700 Water Block

Best for: Intel LGA 1700 custom loop builds

Socket Compatibility

LGA 1700

Lighting

D-RGB

Material

Nickel/Satin Titanium

View on Amazon: EK Quantum Velocity 2 D-RGB 1700 Water Block Affiliate link

The EKWB EK-Quantum Velocity 2 is a CPU water block designed for the Intel LGA 1700 socket. It features a socket-specific cooling engine and uses the eK exact Mount system for secure installation. The block includes D-RGB lighting that works with major motherboard software. It also comes with Hydronaut thermal paste included. This block is a practical option for builders using modern Intel processors.

Pros

• Compatible with Intel LGA 1700 sockets
• Features D-RGB lighting support
• Includes Hydronaut thermal paste
• Uses eK exact Mount system

Cons

• Limited to LGA 1700 socket compatibility
• Does not include a reservoir or pump
• No mention of software control app

Good fit if

• You are building a custom loop for Intel LGA 1700
• You want D-RGB lighting integration
• You prefer blocks with included thermal paste

Skip if

• You use AMD AM5 sockets
• You need an all-in-one pump and reservoir combo
• You require a display screen on the block

Verdict: The EKWB Velocity 2 LGA 1700 D-RGB Block fits users building Intel LGA 1700 custom loops who need reliable mounting and lighting control.

6 Best copper

EK Quantum Velocity 2 AM5 Nickel Plexi Water Block

Best for: AM5 CPU cooling in custom loops

Socket Compatibility

AM5

Lighting

D-RGB

Material

Nickel-plated copper, Plexi

Dimensions

5 × 4 × 1 inches

Weight

1.23 pounds

View on Amazon: EK Quantum Velocity 2 AM5 Nickel Plexi Water Block Affiliate link

This is an EKWB CPU water block designed for the AM5 socket. It uses a nickel base with a plexi top and supports D-RGB lighting. The block mounts via the eK exact Mount system and is e-Matrix7 compliant. It measures 5 by 4 inches and weighs 1.23 pounds. You should choose this if you need a dedicated block for new AMD processors rather than a pump-reservoir combo.

Pros

• Compatible with AM5 socket processors
• Digital RGB lighting support
• Constructed from 99.99% pure electrolytic copper
• Uses eK exact Mount system

Cons

• Only supports the AM5 socket
• Does not include a pump or reservoir
• Lacks software control for RGB in the data

Good fit if

• You are building a custom loop for an AM5 CPU
• You already have a separate D5 pump and reservoir
• You want a nickel and plexi aesthetic

Skip if

• You need a pump and reservoir in one unit
• You are using an Intel or older AMD socket
• You want a pre-filled closed loop system

Verdict: EKWB Quantum Velocity 2 AM5 is a specialized coldplate for AM5 builds. It fits users who already own a pump and want a high-quality block for their CPU.

7 Best acetal

EK Quantum Velocity 2 AM5 CPU Water Block

Best for: AM5 builds needing acetal blocks

Socket Compatibility

AM5

Lighting

D-RGB

Material

Nickel + Acetal

Dimensions

19.7 × 19.7 × 11 inches

Weight

1.28 pounds

View on Amazon: EK Quantum Velocity 2 AM5 CPU Water Block Affiliate link

This EKWB CPU water block is built for the AM5 socket platform. It features a coldplate made from 99.99% pure electrolytic copper. The base material is acetal, which sets it apart from the nickel options on this list. It supports digital RGB lighting compatible with major motherboard sync technologies. The unit weighs 1.28 pounds and uses the eK exact Mount system for installation.

Pros

• AM5 socket compatibility
• Acetal coldplate material
• 99.99% pure copper coldplate
• Digital RGB support

Cons

• Limited to AM5 socket only
• No mention of software control for RGB
• No mention of integrated reservoir

Good fit if

• You are building an AM5 system
• You prefer acetal components for chemical resistance
• You want a dedicated CPU block for custom loops

Skip if

• You use an Intel or older AMD socket
• You need an all-in-one pump and reservoir combo
• You require nickel plating for aesthetic matching

Verdict: EKWB Velocity 2 AM5 Acetal Block is a specialized component for AM5 builders. It offers a durable acetal base and pure copper cooling surface for those prioritizing material quality over integrated pump features.

Specifications side by side

Frequently asked questions

See also

• solidigm d5 series alternatives
• briggs stratton 311553gs pump alternatives