Bykski GPU Water Block For Colorful iGame RTX 4090 Advanced OC 8G, Full Cover With Backplate PC Water Cooling Cooler, N-IG4090VXOC-X-V2
Bykski GPU Water Block For Colorful iGame RTX 4090 Advanced OC 8G, Full Cover With Backplate PC Water Cooling Cooler, N-IG4090VXOC-X-V2
SKU:N-IG4090VXOC-X-V2_RBW
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The Bykski N-IG4090VXOC-X-V2 is a full-cover water block engineered specifically for the Colorful iGame RTX 4090 Advanced OC, delivering direct thermal contact to the 450W AD102 GPU, 24GB GDDR6X VRAM, and VRMs. This transforms the card from a 50-60 dBA blower into a near-silent sub-30 dBA solution—essential for bedroom or home office AI rigs running Ollama, Stable Diffusion, or local LLMs where fan noise destroys focus.
VRAM protection is non-negotiable for 24/7 inference workloads. GDDR6X junction temperatures spike past 90°C under sustained LLM token generation, triggering hard throttles that slash inference speed. This block's precision-milled cold plate presses directly onto every memory module, eliminating thermal ceilings that stock coolers cannot address during multi-hour generation sessions.
For multi-GPU AI builds, air becomes physically impossible—dual RTX 4090s pull 900W+ in a single case. This block enables dense parallel inference setups that would otherwise thermal-throttle or simply not fit. Used GPU revival applies too: aging 4090s with degraded factory thermal pads regain full thermal headroom, while 24/7 reliability demands the sustained thermal margin only water cooling provides.
Nickel-plated copper construction, G1/4 threading, integrated aluminum backplate for VRAM rear cooling. 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.
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