{"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-ig4080vxoc","title":"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-IG4080VXOC","description":"\u003cp\u003eThe \u003cstrong\u003eGranzon GBN-IG4080VXOC\u003c\/strong\u003e is a full-coverage water block engineered specifically for Gigabyte RTX 4090 Windforce and Aorus Xtreme Windforce 24G cards running local LLMs, Stable Diffusion, and Ollama workloads. At 450W sustained AI load, stock triple-fan coolers scream at 50–60 dBA—this block cuts that below 30 dBA, making 24\/7 bedroom or home office operation actually tolerable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVRAM protection is non-negotiable for inference.\u003c\/strong\u003e GDDR6X junction temperatures spike past 90°C during prolonged model loading and token generation, triggering hard throttles that stall your pipeline. Granzon's precision-machined cold plate presses directly onto every VRAM module and VRM stage, eliminating thermal ceilings that air cooling cannot address during multi-hour generation sessions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMulti-GPU necessity meets used GPU revival.\u003c\/strong\u003e Dual RTX 4090 configurations (900W+) in a single case are physically impossible to air-cool; water cooling is the only viable path. For aging cards with degraded factory thermal pads, this block performs a complete thermal reset—restoring full boost clocks and extending service life for budget-conscious AI builders.\u003c\/p\u003e\u003cp\u003eConstructed from nickel-plated copper with G1\/4 standard threading and included aluminum backplate for PCB rigidity. 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=\"\/de\/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":41297588781192,"sku":"GBN-IG4080VXOC","price":258.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/z1_688f27d7-9548-4f75-9c6e-65f47bf1d63c.jpg?v=1695280710","url":"https:\/\/www.formulamod.net\/de\/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-ig4080vxoc","provider":"FormulaMod","version":"1.0","type":"link"}