Bykski GPU Block For INNO3D GeForce RTX 4090/RTX X3/ D X3 , High Heat Resistance Material POM + Full Metal Construction, With Backplate Full Cover GPU Water Cooling Cooler Radiator Block, N-ICH4090-X-V3
Bykski GPU Block For INNO3D GeForce RTX 4090/RTX X3/ D X3 , High Heat Resistance Material POM + Full Metal Construction, With Backplate Full Cover GPU Water Cooling Cooler Radiator Block, N-ICH4090-X-V3
SKU:N-ICH4090-X-V3
受取状況を読み込めませんでした
The Bykski N-ICH4090-X-V3 full-cover water block is engineered specifically for the INNO3D GeForce RTX 4090 X3, D X3 and AX variants — cards that ship with triple-fan coolers screaming at 50-60 dBA under sustained 450W AI workloads. For local LLM enthusiasts running Ollama, Stable Diffusion, or quantized models at home, this block transforms an unbearable jet-engine into near-silent operation below 30 dBA.
VRAM thermal protection is non-negotiable for 24/7 inference. The RTX 4090's 24GB GDDR6X junction temperatures spike past 90°C during multi-hour generation sessions, triggering aggressive throttling that cripples token throughput. This full-cover block presses nickel-plated copper directly against every VRAM module and VRM phase, eliminating the thermal delta that stock coolers leave uncooled.
Multi-GPU AI rigs physically require water cooling. Dual RTX 4090s pull 700-900W combined — no air solution exists that fits two cards in one case without thermal disaster. The N-ICH4090-X-V3's slim profile enables stacked configurations for 48GB-96GB unified inference memory, while the included full metal backplate prevents PCB sag and adds passive VRM cooling during continuous days-long training runs.
Used 4090 revival starts here. Even 2-year-old cards with degraded thermal pads regain full thermal headroom with a fresh water block install. CNC-machined nickel-plated copper base, POM high-heat resistance top, G1/4 standard threading. Ships worldwide.
Frequently Asked Questions
Is this waterblock compatible with my RTX 4090?
This Bykski waterblock is designed for the RTX 4090. Check the product title for specific card brand compatibility — non-reference PCB designs (ASUS Strix, MSI Suprim, etc.) require model-specific blocks. Reference/Founders Edition cards use a different block.
How much quieter will my RTX 4090 be with water cooling?
Stock RTX 4090 coolers run at 45-65 dBA under sustained AI workloads like Ollama or Stable Diffusion. A full-cover waterblock reduces noise to under 30 dBA — quieter than a refrigerator. VRAM temperatures also drop from 90°C+ to 60-70°C, preventing thermal throttling during long inference sessions.
What else do I need for a complete loop?
Besides this waterblock, a complete custom loop needs: a radiator (360mm minimum for 450W TDP), a D5 or DDC pump with reservoir, G1/4 fittings (8-12 pieces), tubing (soft or hard), and coolant. FormulaMod carries all components — browse our AI Workstation Cooling collection for complete setups.
Can I run this 24/7 for AI inference?
Yes. Water cooling is designed for sustained loads, unlike air coolers which rely on fan speeds that create noise. A properly maintained loop can run 24/7 indefinitely with coolant changes every 12-18 months.
Does FormulaMod ship to the USA and Europe?
Yes. We ship worldwide from our Shenzhen warehouse. USA and EU orders typically arrive within 7 days. All products are covered by our return policy.
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.
Share
