Bykski GPU Block For Colorful RTX 4090 D, High Heat Resistance Material POM + Full Metal Construction, With Backplate Full Cover GPU Water Cooling Cooler Radiator Block, N-IG4090VXOC-X-V4
Bykski GPU Block For Colorful RTX 4090 D, High Heat Resistance Material POM + Full Metal Construction, With Backplate Full Cover GPU Water Cooling Cooler Radiator Block, N-IG4090VXOC-X-V4
SKU:N-IG4090VXOC-X-V4
Couldn't load pickup availability
The Bykski N-IG4090VXOC-X-V4 full-cover water block is purpose-built for Colorful iGame RTX 4090 and RTX 4090 D variants (Advanced OC, Vulcan OC, Neptune OC, LAB OC). At 450W sustained AI load, stock triple-fan coolers scream at 50–60 dBA—untenable for bedroom or home office deployments running Ollama or Stable Diffusion. This block drops operating noise below 30 dBA while delivering the thermal headroom continuous inference demands.
VRAM protection is critical: 24GB GDDR6X junction temperatures hit 90°C+ during hours-long LLM inference, triggering aggressive throttling that stalls token generation. The Bykski block's precision-milled cold plate presses directly against every VRAM module, eliminating hotspots and maintaining consistent clock stability through multi-day training runs or batch inference jobs.
Built for 24/7 reliability: AI workloads are not bursty gaming sessions—they run continuously for hours or days. The POM + full metal construction withstands sustained thermal cycling without degradation, while the integrated backplate provides structural rigidity for horizontal mounting in dense multi-GPU builds. Dual 4090 setups (900W+) in a single case are physically impossible to air-cool; water cooling is the only viable path for local AI clusters.
Specifications: Nickel-plated copper cold plate, G1/4" standard threading, full metal backplate included. 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
