Astralcooler NVIDIA CMP 170HX GPU Water Block
Astralcooler NVIDIA CMP 170HX GPU Water Block
SKU:TN‑CMP170HX
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Astralcooler NVIDIA CMP 170HX GPU Water Block
Compatible Platforms
NVIDIA CMP 170HX
Cooling Locations
GPU core, memory, power MOSFETs, inductors, and tantalum capacitors, among other high-heat-generating components.
Cooling Principle
The high-purity oxygen-free copper baseplate of the graphics card water block covers key high-heat-generating components, including the GPU core, memory, power MOSFETs, and tantalum capacitors. The heat absorbed by the water block is then carried away by the flowing coolant.
Water Block Features
High Thermal Conductivity:
The baseplate is made of T2 oxygen-free copper, with a thermal conductivity of up to 401 W/m·K, improving heat dissipation efficiency and increasing the heat dissipation area.
High-Density Microchannel Jet Design:
Expanded water channel area effectively increases the contact area between the coolant and the baseplate, comprehensively improving the cooling performance of the water block.
Full Metal Coverage:
Full metal cold plate, full-coverage design. Water flows without dead zones, efficiently removing core heat for more thorough cooling.
Lightweight design:
Reduces the weight of the water block and prevents PCB board deformation. A more reliable passivation process ensures faster heat conduction while effectively resisting corrosion and wear.

Why Water Cool the RTX 4090?
- 24/7 Stable Diffusion inference pushes VRAM to 90°C+ junction; full-cover waterblocks eliminate throttling
- Dual-4090 builds (900W total GPU) are physically impossible in normal cases without water cooling — 3-slot air coolers block each other
- The #1 used-GPU-to-waterblock conversion target — buyers snagging secondhand 4090s want silent 24/7 AI rigs
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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