Bykski GPU Water Block For ASUS RTX 4070 SUPER EVO, Full Cover With Backplate PC Water Cooling Cooler, N-AS4070SDUALEVO-X
Bykski GPU Water Block For ASUS RTX 4070 SUPER EVO, Full Cover With Backplate PC Water Cooling Cooler, N-AS4070SDUALEVO-X
SKU:N-AS4070SDUALEVO-X_RBW
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The RTX 4070 SUPER is a capable card for local AI inference — it runs LLaMA 3 8B and smaller Mistral models comfortably and handles ComfyUI Stable Diffusion workflows without the price premium of a 4090. But its stock air cooler was not designed for continuous 24/7 operation. Under sustained AI loads, GPU-die temperatures climb into the mid-80s and VRAM approaches the 92°C throttle threshold measured in Local AI Master benchmarks. The Bykski N-AS4070SDUALEVO-X replaces that cooler entirely.
Full coverage means the copper cold plate contacts not just the GPU die but every VRAM module and the primary VRM clusters simultaneously. VRAM that runs at 80°C instead of 91°C does not throttle. It sustains peak bandwidth for the entire inference session — no mid-run slowdowns, no unexplained latency spikes during token generation. The included backplate adds rigidity to the PCB and provides additional thermal contact on the rear VRAM modules.
After installation, an RTX 4070 SUPER in a water-cooled loop drops from 45–60 dBA under load to below 30 dBA — silent enough for a home office or bedroom workstation. If you run AI assistants overnight or leave Stable Diffusion batches processing while you sleep, that acoustic difference is not a luxury, it is a requirement. The EVO block is purpose-fitted for the ASUS Dual EVO board layout with no modification required.
Frequently Asked Questions
Is this waterblock compatible with my RTX 4070 Super?
This Bykski waterblock is designed for the RTX 4070 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 4070 Super be with water cooling?
Stock RTX 4070 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 220W 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 4070 SUPER?
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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