Bykski GPU Water Block For Asus RTX 4080 / 4080 Super Tuf Gaming / ROG Strix, Full Cover With Backplate PC Water Cooling Cooler, N-AS4080STRIX-X
Bykski GPU Water Block For Asus RTX 4080 / 4080 Super Tuf Gaming / ROG Strix, Full Cover With Backplate PC Water Cooling Cooler, N-AS4080STRIX-X
SKU:N-AS4080STRIX-X_RBW
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The Bykski N-AS4080STRIX-X full-cover water block cools the GPU core, 16GB GDDR6X VRAM, and VRM on ASUS RTX 4080 and 4080 Super TUF Gaming / ROG Strix cards—built for sustained local LLM inference, not gaming benchmarks.
Silence is mandatory for home AI rigs. Stock 320W AI workloads push fans to 45-65 dBA; this block drops operation below 30 dBA, making bedroom or shared office deployment viable. VRAM protection is equally critical: GDDR6X throttles at 92°C during hours-long Stable Diffusion or Ollama sessions, and the block's direct die and memory contact maintains sustained thermal headroom for 24/7 reliability.
Multi-GPU necessity: Dual RTX 4080 configurations (640W+ combined) are physically impossible with air cooling in standard cases—water cooling is the only path for parallel inference setups. For used GPU revival, replacing degraded stock thermal pads with this block's fresh interface restores full thermal performance on aging cards.
Nickel-plated copper cold plate, G1/4 threading, integrated aluminum backplate included. Ships worldwide.
Frequently Asked Questions
Is this waterblock compatible with my RTX 4080 Super?
This Bykski waterblock is designed for the RTX 4080 Super. 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 Super be with water cooling?
Stock RTX 4080 Super 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 SUPER?
- Full-cover block protects GDDR6X under persistent generative AI load
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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