{"product_id":"barrow-gpu-water-block-for-nvidia-rtx-4090-founders-edition-full-cover-with-backplate-pc-water-cooling-cooler-bs-nvg4090-pa","title":"Barrow GPU Water Block For Nvidia RTX 4090 Founders Edition, Full Cover With Backplate PC Water Cooling Cooler, BS-NVG4090-PA","description":"\u003cp\u003eThe \u003cstrong\u003eBarrow BS-NVG4090-PA\u003c\/strong\u003e is a full-cover water block engineered specifically for the NVIDIA RTX 4090 Founders Edition, delivering the thermal headroom required for uninterrupted AI inference at 450W sustained loads.\u003c\/p\u003e\n\n\u003cp\u003eStock triple-fan coolers scream at \u003cstrong\u003e50-60 dBA\u003c\/strong\u003e under constant AI workloads—unbearable for bedroom or home office setups. This water block drops operational noise \u003cstrong\u003ebelow 30 dBA\u003c\/strong\u003e, transforming your rig from a distraction into a silent productivity tool.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM protection is critical:\u003c\/strong\u003e 24GB GDDR6X junction temperatures spike past 90°C during hours-long Stable Diffusion rendering or LLM token generation, triggering aggressive throttling. The full-cover design presses nickel-plated copper directly against every VRAM module and VRM stage, eliminating thermal bottlenecks that degrade model performance.\u003c\/p\u003e\n\n\u003cp\u003eFor multi-GPU AI workstations—dual 4090s pulling 900W+ in a single case—air cooling is physically impossible. This block enables dense configurations essential for parallel inference pipelines. Nickel-plated copper base, G1\/4 threading, integrated aluminum backplate included. 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 Barrow 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":"Barrow","offers":[{"title":"A-RGB(5v 3pin) \/ With black backplane \/ None","offer_id":41421827768456,"sku":"BS-NVG4090-PA_BK","price":111.13,"currency_code":"USD","in_stock":true},{"title":"A-RGB(5v 3pin) \/ With black backplane \/ Additional light controller","offer_id":42305907622024,"sku":"BS-NVG4090-PA_BK*1+2s*1","price":115.13,"currency_code":"USD","in_stock":true},{"title":"A-RGB(5v 3pin) \/ With black backplane \/ Additional light sync cable","offer_id":42305907654792,"sku":"BS-NVG4090-PA_BK*1+2s*1","price":112.13,"currency_code":"USD","in_stock":true},{"title":"A-RGB(5v 3pin) \/ With white backplane \/ None","offer_id":41421827833992,"sku":"BS-NVG4090-PA_WT","price":111.13,"currency_code":"USD","in_stock":true},{"title":"A-RGB(5v 3pin) \/ With white backplane \/ Additional light controller","offer_id":42305907687560,"sku":"BS-NVG4090-PA_WT*1+2s*1","price":115.13,"currency_code":"USD","in_stock":true},{"title":"A-RGB(5v 3pin) \/ With white backplane \/ Additional light sync cable","offer_id":42305907720328,"sku":"BS-NVG4090-PA_WT*1+2s*1","price":112.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/z1_986a33af-d7bc-4d54-9f8e-5d4dedd00695.jpg?v=1698724485","url":"https:\/\/www.formulamod.net\/de\/products\/barrow-gpu-water-block-for-nvidia-rtx-4090-founders-edition-full-cover-with-backplate-pc-water-cooling-cooler-bs-nvg4090-pa","provider":"FormulaMod","version":"1.0","type":"link"}