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Corsair iCUE Link XG3 RGB Hybrid GPU Water Block offers hybrid cooling with copper cold plate and dedicated fan for NVIDIA RTX 4070 and 4070 Ti.
Categories : Series
SKU : POR-SER-600
The Corsair iCUE Link XG3 RGB Hybrid GPU Water Block revolutionizes custom cooling for NVIDIA RTX 4070 and 4070 Ti graphics cards. Its innovative hybrid design directly cools the GPU and memory IC through a copper cold plate connected to your custom loop, while a dedicated fan handles the circuit board and VRM, delivering maximum cooling performance and reduced noise. With near-universal compatibility across a variety of RTX 4070 and 4070 Ti models, this water block offers an intelligent, cohesive solution for your build.
Take advantage of the patent-pending iCUE LINK ecosystem to daisy-chain components using universal connectors, all plugged into the iCUE LINK System Hub (sold separately). Build faster, reduce cable clutter, and enjoy a smarter cooling setup that integrates seamlessly with Corsair iCUE software for precise control.
An integrated temperature sensor provides real-time thermal data, allowing iCUE to adjust cooling performance automatically. Eighteen individually addressable RGB LEDs deliver spectacular lighting effects that can be synchronized with your entire system. Boost your GPU's performance and aesthetics with the Corsair iCUE Link XG3 RGB.
Designed for near-universal compatibility with NVIDIA RTX 4070 and 4070 Ti GPUs, the XG3 simplifies the installation process. The included thermal pads and mounting hardware ensure a secure fit. Whether you're an enthusiast builder or a seasoned overclocker, the XG3 hybrid water block elevates your custom liquid cooling loop to new heights of performance and style.
Hybrid design with copper cold plate and dedicated VRM fan for optimal cooling
Near-universal compatibility with NVIDIA RTX 4070 and 4070 Ti models
iCUE LINK ecosystem for daisy-chaining and simplified cable management
Fan: Dedicated fan for VRM and circuit board
RGB: 18 individually addressable LEDs
Color: Black
Model: XG3 RGB
Connectivity: iCUE LINK (System Hub sold separately)
Product Type: Hybrid GPU Water Block
Compatibility: NVIDIA RTX 4070 and RTX 4070 Ti
Temperature Sensor: Built-in
Cold Plate Material: Copper
Seller: PortSide Gear
MPN: XG3 RGB
The XG3 uses a high-density copper cold plate with a micro-channel design to maximize heat transfer from the GPU die. It also cools the memory and VRM through a dedicated aluminum heatsink with a fan, which is adjustable via iCUE. The water block includes pre-applied thermal pads optimized for RTX 4070 series cards, ensuring simple and reliable installation. For enthusiasts, the XG3 supports flow direction reversal, giving you flexibility in loop routing. The included brackets are compatible with both reference and many custom designs, making it a versatile choice.
Installation involves removing the stock cooler, applying thermal paste, and mounting the water block using the included screws and brackets. Refer to the installation manual or online guide for specific steps. Ensure the GPU is clean and all thermal pads are placed correctly.
The System Hub is required to connect the water block to your PC for power, RGB, and temperature monitoring. It also allows daisy-chaining with other iCUE LINK components. Without it, the water block will not function properly.
Yes, the XG3 is designed for custom liquid cooling loops. You'll need standard G1/4 fittings and tubing to connect it to your radiator and pump/reservoir.
The XG3 is compatible with a variety of RTX 4070 and 4070 Ti models, but not all custom PCBs. Check the compatibility list on Corsair's website to confirm your specific card.
Installed this on my RTX 4070 Ti and temperatures dropped by 20°C under load. The hybrid design with the fan is clever – it cools the VRM and memory quietly. The copper cold plate is top-notch. iCUE integration is seamless, letting me monitor temps and control RGB. A game-changer for my loop.
The cooling is excellent – my GPU stays under 50°C while gaming. The build quality is solid, and the RGB looks great. However, installing the water block requires careful attention to the manual; it's not a beginner-friendly install. Also, the included thermal pads are a bit small for some components. But worth the effort if you're confident.
Easy to install and looks stunning in my build. The RGB is bright and the pump doesn't make any noise. My GPU temps have never been better. iCUE is a bit heavy but works fine. Definitely recommend for any custom loop enthusiast.
Cooling performance is good, and the copper plate is high quality. However, the included fan whines at high RPM, which is noticeable. I replaced it with a Noctua and it's fine. For the price, I expected a quieter fan. Otherwise, it does its job.
I've been using this for a month now. The water block has a sleek design and the RGB is customizable via iCUE. The hybrid cooling is efficient – my GPU never exceeds 55°C even in 4K gaming. Installation was straightforward with the included tools. Five stars!
The block fits my 4070 perfectly, but make sure you have the exact model (A2251). The instructions list compatible cards, but I've heard of some non-reference boards having issues. Cooling is excellent, and the RGB is a nice touch. Just double-check compatibility before buying.
I bought this for my RTX 4070 Founders Edition, but it didn't fit. The mounting holes didn't align. I had to return it and get a different brand. It looks cool, but it's not universal. Check compatibility carefully.
Absolutely love this water block. It looks amazing in my white build, and the cooling is top-tier. The fan is quiet, and the RGB adds a nice accent. iCUE is easy to use. Great investment for serious PC enthusiasts.
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