Bykski GPU Water Block For GeForce RTX4080 Craft OC 16G, Full Cover With Backplate PC Water Cooling Cooler, N-MX4080IC-X
Bykski GPU Water Block For GeForce RTX4080 Craft OC 16G, Full Cover With Backplate PC Water Cooling Cooler, N-MX4080IC-X
SKU:N-MX4080IC-X_RBW*1+B-RBW-C8-V5*1
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The Bykski N-MX4080IC-X full-coverage water block is engineered for the RTX 4080 running local LLMs, Stable Diffusion, and Ollama inference workloads. Unlike stock cooling that screams at 45-65 dBA under sustained 320W AI loads, this block drops noise below 30 dBA—critical for home offices and bedroom AI labs where you live next to your hardware.
Direct-contact cooling presses nickel-plated copper against GDDR6X VRAM modules, preventing the 92°C throttling that cripples inference performance during long generation sessions. For AI builders running dual 4080s in a single chassis—now feasible with water cooling where no dual-air solution exists—this block provides the sustained thermal headroom that 24/7 reliability demands.
Even newer 4080s benefit from eliminating the thermal lottery of factory pads. The full-cover design with integrated backplate resets thermal performance for years of continuous operation, not the bursty cycles of gaming workloads.
Nickel-plated copper construction, G1/4 standard threading, included aluminum backplate. Ships worldwide.
Frequently Asked Questions
Is this waterblock compatible with my RTX 4080?
This Bykski waterblock is designed for the RTX 4080. 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 4080 be with water cooling?
Stock RTX 4080 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 320W 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 4080?
- Waterblock unlocks dual-4080 configurations
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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