{"product_id":"bykski-gpu-water-block-for-galax-rtx-4090-hof-oc-lab-plus-full-cover-with-backplate-pc-water-cooling-cooler-n-gy4090hof-x","title":"Bykski GPU Water Block For Galax RTX 4090 HOF OC Lab Plus, Full Cover With Backplate PC Water Cooling Cooler, N-GY4090HOF-X","description":"\u003cp\u003eThe \u003cstrong\u003eBykski N-GY4090HOF-X\u003c\/strong\u003e is a precision full-cover water block engineered specifically for the Galax RTX 4090 HOF OC Lab Plus, targeting AI practitioners running 450W sustained inference loads in home offices and bedrooms. Stock triple-fan coolers scream at 50-60 dBA under Stable Diffusion or LLM workloads—this block drops operational noise below 30 dBA, transforming your environment from industrial to whisper-quiet.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM PROTECTION\u003c\/strong\u003e is critical: 24GB GDDR6X junction temperatures spike past 90°C during hours-long inference sessions, triggering thermal throttling that cripples token generation speed. The Bykski block presses nickel-plated copper directly against every memory module, eliminating the thermal barrier that air coolers cannot breach. For \u003cstrong\u003eUSED GPU REVIVAL\u003c\/strong\u003e, this block provides a complete thermal reset—replacing degraded factory pads on 2-year-old 4090s with fresh liquid cooling contact surfaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e24\/7 RELIABILITY\u003c\/strong\u003e demands sustained thermal headroom, not bursty gaming peaks. Water cooling maintains stable core and VRAM temperatures across multi-day training runs or continuous Ollama hosting. Planning \u003cstrong\u003eMULTI-GPU\u003c\/strong\u003e? Dual RTX 4090s (900W combined) physically cannot coexist in standard cases with air coolers—this block enables compact, stackable configurations impossible otherwise.\u003c\/p\u003e\n\n\u003cp\u003eNickel-plated copper base, G1\/4 standard threads, 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 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=\"\/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":"Bykski","offers":[{"title":"RBW(5v 3pin) \/ With backplane \/ None","offer_id":41043881558152,"sku":"N-GY4090HOF-X_RBW","price":136.78,"currency_code":"USD","in_stock":true},{"title":"RBW(5v 3pin) \/ With backplane \/ Additional light controller (optional for without light sync)","offer_id":41797400756360,"sku":"N-GY4090HOF-X_RBW*1+B-RBW-C8-V5*1","price":146.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/products\/z1_4707b886-d57a-4aed-8bfc-e0bad760fd1b.jpg?v=1675754641","url":"https:\/\/www.formulamod.net\/de\/products\/bykski-gpu-water-block-for-galax-rtx-4090-hof-oc-lab-plus-full-cover-with-backplate-pc-water-cooling-cooler-n-gy4090hof-x","provider":"FormulaMod","version":"1.0","type":"link"}