{"product_id":"granzon-full-armor-gpu-block-for-gigabyte-rtx-4090-windforce-aorus-xtreme-windforce-24g-bykski-premium-sub-brand-high-quality-series-gpu-water-cooling-cooler-gbn-gv4090wf","title":"Granzon Full Armor GPU Block For Gigabyte RTX 4090 Windforce \/ Aorus Xtreme WaterForce 24G, Bykski Premium Sub-Brand High Quality Series GPU Water Cooling Cooler, GBN-GV4090WF","description":"\u003cp\u003eThe \u003cstrong\u003eGranzon GBN-GV4090WF\u003c\/strong\u003e full-coverage water block is engineered specifically for Gigabyte RTX 4090 Windforce and Aorus Xtreme WaterForce 24G cards, transforming a 450W AI inference monster into a whisper-quiet workstation component. Stock triple-fan coolers scream at 50-60 dBA under sustained Stable Diffusion or LLM workloads—this block drops operation below 30 dBA, making dual-GPU setups viable in home offices and bedrooms where silence is mandatory.\u003c\/p\u003e\n\n\u003cp\u003eContinuous 24\/7 inference pushes GDDR6X VRAM junction temperatures past 90°C, triggering aggressive throttling that cripples token generation speed. Granzon's precision-machined nickel-plated copper cold plate presses directly onto all VRAM modules and VRMs, eliminating thermal gradients that air coolers cannot address during hours-long training runs or persistent local LLM serving.\u003c\/p\u003e\n\n\u003cp\u003eRunning dual RTX 4090s (900W combined) in a single case for multi-GPU parallelism is thermally impossible with air—this water block enables dense configurations essential for serious Ollama or Stable Diffusion workflows. For aging RTX 3090s suffering from thermal pad degradation, migrating to this premium block performs a complete thermal reset, restoring full performance to used cards pressed into AI service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e Nickel-plated copper base, full aluminum armor, G1\/4 threading, integrated backplate. 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 Granzon 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=\"\/ja\/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":"Granzon","offers":[{"title":"Default Title","offer_id":41295012692104,"sku":"GBN-GV4090WF","price":258.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/z1_2bed5674-0821-47ef-8ab8-e4b932024f76.jpg?v=1695110391","url":"https:\/\/www.formulamod.net\/ja\/products\/granzon-full-armor-gpu-block-for-gigabyte-rtx-4090-windforce-aorus-xtreme-windforce-24g-bykski-premium-sub-brand-high-quality-series-gpu-water-cooling-cooler-gbn-gv4090wf","provider":"FormulaMod","version":"1.0","type":"link"}