{"product_id":"bykski-n-st4090tq-x-v4-gpu-water-block-for-zotac-gaming-rtx-4090-trinity-amp-extreme-airo-video-card-cooling-all-metal-radiator","title":"Bykski N-ST4090TQ-X-V4 GPU Water Block for ZOTAC GAMING RTX 4090 Trinity \/AMP EXtreme AIRO Video Card Cooling\/All Metal Radiator","description":"\u003cp\u003eThe \u003cstrong\u003eBykski N-ST4090TQ-X-V4\u003c\/strong\u003e is a precision full-cover water block engineered for the \u003cstrong\u003eZOTAC GAMING RTX 4090 Trinity and AMP Extreme AIRO\u003c\/strong\u003e, built specifically for sustained AI inference workloads that push 450W continuously—not bursty gaming sessions.\u003c\/p\u003e\u003cp\u003eStock triple-fan coolers scream at \u003cstrong\u003e50–60 dBA\u003c\/strong\u003e under sustained LLM or Stable Diffusion loads; this water block drops operation below \u003cstrong\u003e30 dBA\u003c\/strong\u003e, transforming your bedroom or home office into a viable 24\/7 AI lab. The full-coverage design presses directly onto all \u003cstrong\u003eGDDR6X VRAM modules\u003c\/strong\u003e, eliminating the 90°C+ junction temperatures that throttle inference performance during multi-hour generation runs.\u003c\/p\u003e\u003cp\u003eFor builders running \u003cstrong\u003edual RTX 4090s\u003c\/strong\u003e in a single chassis—now exceeding 900W combined—air cooling is physically impossible. This block enables dense multi-GPU configurations essential for local LLM hosting and batch inference. Nickel-plated high-purity copper construction resists corrosion in continuous-duty loops, while the integrated aluminum backplate adds structural rigidity for heavy cards. \u003cstrong\u003eG1\/4 thread standard\u003c\/strong\u003e. Ships worldwide.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this waterblock compatible with my RTX 4090?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow much quieter will my RTX 4090 be with water cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStock 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat else do I need for a complete loop?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBesides 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 \u003ca href=\"\/collections\/ai-workstation-cooling\"\u003eAI Workstation Cooling\u003c\/a\u003e collection for complete setups.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I run this 24\/7 for AI inference?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes FormulaMod ship to the USA and Europe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We ship worldwide from our Shenzhen warehouse. USA and EU orders typically arrive within 7 days. All products are covered by our return policy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bykski","offers":[{"title":"POM + Copper (No lighting) \/ With backplane","offer_id":40822161408136,"sku":"N-ST4090TQ-X-V4","price":131.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/1_181d9bc0-e961-47d0-920e-3d4fdaf0e777.jpg?v=1774508733","url":"https:\/\/www.formulamod.net\/products\/bykski-n-st4090tq-x-v4-gpu-water-block-for-zotac-gaming-rtx-4090-trinity-amp-extreme-airo-video-card-cooling-all-metal-radiator","provider":"FormulaMod","version":"1.0","type":"link"}