{"product_id":"granzon-full-armor-gpu-block-for-zotac-gaming-geforce-rtx-4080-amp-extreme-alro-full-coverage-full-wrap-cooling-armor-gbn-st4080tq-复制","title":"Granzon Full Armor GPU Block For ZOTAC GAMING \/ GeForce RTX 4090 AMP Extreme AlRO, Full Coverage Full Wrap Cooling Armor, GBN-ST4090TQ","description":"\u003cp\u003eThe \u003cstrong\u003eGranzon GBN-ST4090TQ Full Armor GPU Block\u003c\/strong\u003e is purpose-built for the \u003cstrong\u003eZotac GeForce RTX 4090 AMP Extreme AIRO\u003c\/strong\u003e and Trinity variants, transforming a 450W AI inference furnace into a whisper-quiet workstation. Stock triple-fan coolers scream at 50-60 dBA under sustained Stable Diffusion or LLM loads—this full-coverage water block drops operation below 30 dBA, making 24\/7 bedroom and home office AI rigs actually livable.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVRAM protection is non-negotiable for AI workloads.\u003c\/strong\u003e The RTX 4090's 24GB GDDR6X memory junctions throttle above 92°C during hours-long Ollama inference or batch image generation. Granzon's full-wrap cooling armor presses nickel-plated copper directly against every VRAM module, eliminating thermal throttling that silently degrades model performance and training stability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMulti-GPU necessity meets thermal headroom.\u003c\/strong\u003e Dual RTX 4090 configurations (900W+) are physically impossible to air-cool in a single case—this block enables dense, reliable parallel inference without acoustic torture. For used Zotac 4090 cards suffering thermal pad degradation, installation performs a complete thermal reset, restoring factory performance and extending service life for years of continuous operation.\u003c\/p\u003e\u003cp\u003eNickel-plated copper cold plate, G1\/4 standard threading, integrated aluminum backplate for VRM cooling. 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":43144127938696,"sku":"GBN-ST4090TQ","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/2_d3960659-10d3-43f0-b3a7-6f5922f5b323.jpg?v=1780562106","url":"https:\/\/www.formulamod.net\/ja\/products\/granzon-full-armor-gpu-block-for-zotac-gaming-geforce-rtx-4080-amp-extreme-alro-full-coverage-full-wrap-cooling-armor-gbn-st4080tq-%e5%a4%8d%e5%88%b6","provider":"FormulaMod","version":"1.0","type":"link"}