Building a dual-GPU PC puts serious pressure on airflow, temperatures, and case space. The right cooling setup can make the difference between a stable high-performance rig and a noisy, heat-soaked build.
Below, we focus on the best options for buyers looking for a liquid cooling kit for dual GPU PC setups, with an eye on compatibility, expandability, pump quality, and overall value.
Best 10 Liquid Cooling Kit for Dual GPU PC Picks for 2026
Premium Hardline RGB Loop
- Complete Hydro X hardline custom cooling kit
- Includes XD6 pump/reservoir, XR5 360mm radiator, RX120 RGB fans
- iCUE LINK and iCUE software support simplify control
Best For: Builders wanting a premium RGB hardline loop with centralized control
Quiet ARGB AIO
be quiet! Pure Loop 2 FX 360mm
- 360mm AIO with 3 Light Wings PWM fans
- Doubly decoupled pump for quieter operation
- ARGB-PWM-Hub supports up to 6 synchronized components
Best For: Builders prioritizing quiet cooling and broad socket compatibility
Hardline Copper Kit
- Complete hard-tube loop kit with pump/reservoir and coolant
- Copper radiator uses 12 flat tubes and 17 fins per inch
- 27mm radiator thickness helps with fitment
Best For: Experienced builders wanting a compact copper custom-loop kit
Budget Hard-Tube Starter
Generic 240mm Water Cooling Kit
- Bundle includes radiator, CPU block, pump, reservoir, tubes, and fittings
- Hard PETG tubes can be heated and cut to fit
- Budget-friendly full-kit approach for DIY builders
Best For: DIY users looking for an inexpensive all-in-one hard-tube kit
Premium RGB Hardline Custom Loop
Thermaltake Pacific CL360 Max D5c
- Complete CPU loop kit with pump, radiator, fans, fittings, tubing, and coolant
- 64mm copper radiator and D5 pump/reservoir combo
- Alexa and Razer Chroma support for RGB control
Best For: Builders who want a premium hardline custom loop with synced RGB and copper-radiator cooling
Budget DIY 240mm Loop Starter
- Basic custom-loop bundle with CPU block, reservoir, radiator, fans, and PETG tubing
- Copper CPU block and transparent acrylic reservoir
- Affordable entry point, but tools are not included
Best For: DIY builders on a budget who want a starter custom-loop parts kit
Modern iCUE Hardline Cooling Kit
- Complete hardline kit with CPU block, pump-reservoir, 360mm radiator, fans, and hub
- iCUE software handles temperature, fan, pump, and RGB control
- Built for a premium custom-loop look with hardline tubing
Best For: Builders who want a premium CORSAIR hardline loop with iCUE control and RGB
DIY Dual-Loop Starter Kit
240mm CPU/GPU Water Cooling Kit
- Includes CPU and GPU water blocks in one kit
- Covers radiator, pump, reservoir, fans, and fittings
- Copper-base blocks and 9W pump are built for practical cooling
Best For: DIY builders who want a bundled entry-level loop for CPU and GPU cooling
Server-Grade GPU Pick
360/240mm GPU AIO Water Cooler
- T2 copper base plate and 0.3mm microchannels
- Split-type pump and all-metal build for durability
- Designed for server graphics-card cooling
Best For: Server or workstation GPU cooling where durability and thermal transfer matter most
Quiet DIY Value Kit
240mm Liquid PC Water Cooling Set
- 30 dB noise rating and 9W pump for quieter use
- Includes radiator, block, dual LED fans, reservoir, and fittings
- Transparent acrylic reservoir and flexible hose aid installation
Best For: Budget-minded builders who want a quieter DIY cooling bundle with core parts included
Premium Hardline RGB Loop – Corsair XH505i RX 360 Kit
If you want a liquid cooling kit for dual GPU PC builds that leans heavily into premium aesthetics, this CORSAIR Hydro X kit is built for that style-first approach. It includes a CPU block, XD6 pump/reservoir combo, XR5 360mm radiator, RX120 RGB fans, tubing, fittings, and an iCUE LINK System Hub, so it covers the main pieces needed for a custom hardline loop.
Best For: Builders who want a polished hardline custom loop with strong RGB integration and simplified iCUE LINK wiring.
Pros:
- Complete kit with CPU block, pump/reservoir, radiator, fans, tubing, and fittings included
- Hardline-focused setup is designed for a standout custom-loop look
- Individually addressable RGB on the block, pump/reservoir, and fans
- iCUE software support for fan, pump, temperature, and lighting control
Cons:
- Includes a 360mm radiator, so cooling capacity is still dependent on your case layout
- Hardline builds generally require more planning and assembly time than simpler coolers
- Pricier and more complex than basic AIO solutions
This is the most premium-feeling option here, but it makes sense only if you want the custom-loop look and are comfortable with the extra build effort. For a dual GPU PC, it is best viewed as a foundation for a more elaborate loop rather than a minimal install.
Quiet ARGB AIO – be quiet! Pure Loop 2 FX 360mm
For a liquid cooling kit for dual GPU PC systems where low noise matters more than flashy custom tubing, this 360mm be quiet! AIO is the practical choice. It supports a wide range of Intel and AMD sockets, uses three Light Wings PWM high-speed fans, and adds ARGB illumination without the complexity of a full custom loop.
Best For: Users who want quiet, straightforward 360mm liquid cooling with ARGB lighting and broad socket support.
Pros:
- Three 120mm PWM fans are tuned for high air pressure
- Doubly decoupled pump is designed for quiet operation and minimal vibration
- Wide Intel and AMD socket compatibility, including AM5 and AM4
- ARGB-PWM-Hub supports synchronization of up to 6 ARGB components and PWM fans
Cons:
- CPU-only liquid cooler, so it does not provide custom-loop parts for GPUs
- ARBG/AIO style is less flexible than a full custom hardline kit
- 1-year warranty is shorter than some competing kits
This is a strong fit if you want cooling performance and a cleaner install without stepping into full custom-loop territory. It is especially appealing when you need a dependable radiator-based solution that stays relatively quiet.
Hardline Copper Kit – Thermaltake Pacific C240 DDC
If you are shopping for a liquid cooling kit for dual GPU PC use and want a more complete custom-loop starting point, the Thermaltake Pacific C240 is built around hard tube parts and a copper radiator. The kit includes a CPU water block, pump/reservoir, radiator, fans, fittings, tubing, and coolant, so you are not left sourcing the basics separately.
Best For: Builders who want a hard-tube loop kit with a copper radiator and included coolant.
Pros:
- All-in-one kit includes the main loop components needed for setup
- 12 copper flat tubes and 17 fins per inch for the radiator
- 27mm-thick radiator helps with chassis fitment in many cases
- Includes pump/reservoir combo, fittings, tubing, and coolant
Cons:
- Only a CPU water block is listed in the kit contents
- Hard-tube assembly is more involved than a standard AIO cooler
- Older platform compatibility may require a separate upgrade kit for LGA1700
This kit is appealing if you want a more traditional custom-loop experience with metal components and a compact radiator profile. It is a better match for experienced builders who care about loop parts quality and case compatibility.
Budget Hard-Tube Starter – Generic 240mm Water Cooling Kit
This water cooling kit for dual GPU PC projects is the budget-minded pick if you want a full bundle of parts rather than a premium branded loop. It ships with a 240mm radiator, CPU water block, pump, reservoir, PETG hard tubes, fittings, and fans, which makes it a true starter package for a custom water-cooling build.
Best For: DIY builders who want an inexpensive all-in-one hard-tube cooling kit.
Pros:
- Includes radiator, CPU block, reservoir, pump, tubing, and fittings
- Comes with hard tubes that can be bent when heated or cut to size
- Green LED fans and a cylindrical reservoir give it a distinctive look
- Air flow and 2500 RPM max speed are listed for the included fans/system
Cons:
- Compatibility list is older and limited to legacy Intel and AMD sockets
- Build quality and support details are less established than major-brand kits
- 240mm radiator may be modest for higher-heat custom-loop demands
As a starter kit, it offers a lot of the core pieces you need in one box, but it is best suited to budget-conscious tinkerers. If you need a simple path into hard-tube water cooling, this package keeps the parts list manageable.
Premium RGB Hardline Custom Loop – Thermaltake Pacific CL360 Max D5c
If you want a liquid cooling kit for dual GPU PC builds that also leans hard into showpiece aesthetics, the Thermaltake Pacific CL360 Max is built like a full custom loop starter. It includes the core pieces for a CPU water-cooling loop, a thick copper 360mm radiator, a D5 pump/reservoir combo, hard tubing, fittings, coolant, and RGB-enabled components that can sync with Alexa and Razer Chroma.
Best For: Builders who want a premium, RGB-heavy hardline cooling kit with a strong feature set and easy ecosystem syncing.
Pros:
- Includes CPU block, pump/reservoir, radiator, fans, fittings, tubing, and coolant in one kit
- 64mm-thick copper radiator is designed for strong cooling capacity
- TT RGB Plus support works with Alexa and can sync with Razer Chroma
- Built-in water temperature sensor adds real-time coolant monitoring
Cons:
- Listed as a CPU water-cooling loop, so it is not a dedicated dual-GPU kit
- PETG hard-tube setup requires more planning and assembly than soft-tube options
- LGA 1700 support may require a separate upgrade kit from Thermaltake
This is a strong pick if your priority is a complete, premium-looking custom loop with dense feature support and copper-radiator cooling. It is best suited to experienced builders who want a high-end foundation for a visually coordinated PC.
Budget DIY 240mm Loop Starter – 240mm LED Water Cooling Kit
For a liquid cooling kit for dual GPU PC ambitions on a tighter budget, this DIY 240mm water cooling kit is a basic parts bundle rather than a polished flagship setup. It includes a copper CPU block, aluminum 240mm radiator, transparent acrylic reservoir, LED fans, and PETG hard tube pieces, making it a practical entry point for builders who want to assemble a custom loop themselves.
Best For: Budget-minded DIY builders who want a simple starter kit with the basic parts needed for a custom water loop.
Pros:
- Includes the main loop parts: CPU block, reservoir, radiator, fans, and hard tubing
- Copper CPU block and 240mm heat sink are aimed at better heat transfer
- Transparent acrylic reservoir lets you see circulation in the loop
- PETG tube can be heated and cut to fit the build
Cons:
- 240mm radiator is smaller than the 360mm options used in higher-end loops
- Only supports older Intel sockets and AMD mainline mounts, not AMD4
- Tooling for bending and cutting the tubes is not included
This kit makes sense if you want the cheapest path into custom liquid cooling and are comfortable sourcing tools separately. It is more of a hands-on DIY starter than a turn-key performance kit.
Modern iCUE Hardline Cooling Kit – CORSAIR XH505i RX 360 RGB
If you are comparing a liquid cooling kit for dual GPU PC plans and want a modern hardline loop with a cleaner build process, the CORSAIR XH505i RX 360 RGB is one of the most complete options here. It bundles a CPU block, XD6 pump-reservoir combo, RX120 RGB fans, XR5 360mm radiator, system hub, and hardline tubing and fittings, with iCUE software handling fan, pump, and RGB control.
Best For: Builders who want a complete, premium hardline loop with CORSAIR iCUE integration and coordinated RGB.
Pros:
- Includes CPU block, pump/reservoir, radiator, fans, hub, tubing, and fittings
- 360mm radiator and triple-fan layout suit higher-end custom cooling builds
- iCUE software supports temperature monitoring, lighting control, and fan/pump tuning
- Hardline cooling is presented as made simpler with iCUE LINK
Cons:
- Heavy, premium kit at 12.6 pounds, so it is not a lightweight purchase
- Only a single radiator and CPU block are included, not a dedicated dual-GPU solution
- Higher complexity than standard AIO cooling systems
This is a strong choice for builders who want a polished custom-loop platform with modern control software and a full accessory bundle. It is especially appealing if you value clean cable management and a cohesive CORSAIR ecosystem.
DIY Dual-Loop Starter Kit – 240mm CPU/GPU Water Cooling Kit
If you want a liquid cooling kit for dual GPU PC builds without piecing together every part separately, this DIY 240mm kit covers the core hardware in one package. It includes a 240mm radiator, a universal CPU block, a universal GPU block, pump, reservoir, fans, and the needed connectors and clamps for a full water-cooling setup.
Best For: Builders who want an all-in-one starter kit for cooling both CPU and GPU with basic included accessories.
Pros:
- Includes both a universal CPU block and universal GPU block
- Comes with a 240mm heat sink, pump, reservoir, two LED fans, and tubing accessories
- Copper-base blocks are designed for stronger heat transfer
- 9W pump and anti-explosion flexible hoses support a practical DIY loop
Cons:
- The kit is DIY-focused, so installation still requires planning and assembly
- 240mm radiator size may be limiting for higher-heat dual-GPU systems
- Product details are broad, so fitment should be checked carefully before buying
This is a straightforward bundle for anyone building a custom loop around a desktop CPU and GPU. It makes the most sense when you want the major cooling components in one box and are comfortable handling a hands-on installation.
Server-Grade GPU Pick – 360/240mm GPU AIO Water Cooler
For a liquid cooling kit for dual GPU PC or server-style graphics setups, this GPU AIO water cooler is built around a copper base plate, split-type pump, and metal construction. It is aimed at server graphics cards and the notes emphasize high thermal conductivity, microchannel design, and strong airflow through the radiator.
Best For: Server or workstation graphics-card cooling where durability and thermal transfer are the top priorities.
Pros:
- T2 copper base plate with high thermal conductivity is designed to improve heat transfer
- 0.3mm jet microchannel layout and 44 waterways increase water contact area
- Split-type pump is meant to provide strong cooling-system power
- All-metal construction and braided EPDM tube are built for long-term use
Cons:
- It is listed for server graphics cards, so it is not a general-purpose desktop kit
- Noise is rated higher than the other kits in this roundup
- The notes focus on the GPU block kit, so it is not a full custom-loop bundle
This is the most specialized option here, and it makes sense only if your build matches the server-graphics-card use case. If you need maximum focus on GPU cooling hardware rather than a general DIY loop, its materials and channel design are the main draw.
Quiet DIY Value Kit – 240mm Liquid PC Water Cooling Set
If you’re comparing a liquid cooling kit for dual GPU PC builds and want a quieter DIY option, this Wendry 240mm set is a practical bundle. It includes the radiator, CPU/GPU cooling block, dual LED fans, reservoir, transparent hose, and the basic fittings needed to assemble a custom loop.
Best For: Builders who want a budget-friendly, lower-noise DIY water-cooling bundle with the essentials included.
Pros:
- Includes CPU/GPU block, 240mm heat sink, pump, reservoir, fans, and hose accessories
- 9W pump with 600L/H flow and 30 dB noise rating supports quieter operation
- Transparent acrylic reservoir makes the circulation system visible
- Flexible anti-explosion hose and included joints/clamps simplify installation
Cons:
- 240mm radiator capacity may be modest for very demanding dual-GPU setups
- It is still a DIY kit, so assembly and compatibility checks are on the buyer
- General specs are broad, so it is better suited to straightforward desktop builds
Compared with the other kits here, this one stands out for its lower stated noise level and complete accessory list. It is a sensible choice when you want a simple water-cooling bundle without moving up to a more specialized server-focused product.
How We Picked the Best Liquid Cooling Kit for Dual GPU PC
For a Liquid Cooling Kit for Dual GPU PC builds, the most important factors are loop flexibility, radiator support, pump reliability, and the quality of included blocks and fittings. We also looked for kits that make installation easier for first-time custom-loop builders without sacrificing the parts serious users need.
Quick Comparison
Short-list kits should be compared by radiator size, pump type, included CPU/GPU block support, fan quality, and whether the kit is aimed at a sealed AIO-style setup or a true custom loop. For dual-GPU use, custom-loop kits are usually the better fit because they can be expanded to cool multiple heat sources in one circuit.
Key Buying Factors for a Liquid Cooling Kit for Dual GPU PC
Radiator Capacity
Dual GPUs generate a lot of heat, so 240mm kits are often the bare minimum. If your case allows it, 360mm support is usually the safer choice for lower noise and more thermal headroom.
Pump and Reservoir Design
D5 and DDC-style pumps are common in better custom kits because they handle longer loops and more restrictions more effectively. A reservoir also helps with filling, bleeding air, and maintenance.
Block Compatibility
Make sure the kit supports the exact GPU blocks you need, or at least leaves room to add them. Some kits are CPU-focused, while others are positioned as DIY cooling packages that can be adapted for graphics hardware.
Case Fit and Tube Type
Hard-tube kits can look cleaner, but they require more planning and precision. Soft-tube setups are easier to route, which can matter a lot in larger dual-GPU cases with tight bends and limited clearance.
Control and Expansion
If you want lighting sync, software control, or motherboard integration, check that the kit supports your ecosystem. For dual-GPU builds, expansion support matters because many buyers start with CPU cooling and add GPU blocks later.
Who Should Buy Which Liquid Cooling Kit for Dual GPU PC?
Choose a full custom-loop kit if you want the best chance of cooling both graphics cards efficiently and you are comfortable with more involved installation. Choose a simpler AIO-style cooler if your goal is mainly CPU temperature control and you are not ready to build a full loop yet.
If you are assembling a high-end workstation, render rig, or gaming tower with two GPUs, prioritize a kit with strong pump performance, larger radiator support, and room to expand. That combination usually delivers the most practical long-term value.