{"product_id":"bykski-gpu-water-block-for-asus-tuf-gaming-rtx-4090-og-rog-strix-lc-rtx-4090-24g-full-cover-with-backplate-pc-water-cooling-cooler-n-as4090tufog-x","title":"Bykski GPU Water Block For Asus TUF Gaming RTX 4090 OG \/ ROG Strix LC RTX 4090 24G, Full Cover With Backplate PC Water Cooling Cooler, N-AS4090TUFOG-X","description":"\u003cp\u003eThe \u003cstrong\u003eBykski N-AS4090TUFOG-X\u003c\/strong\u003e is a full-cover GPU water block engineered specifically for the ASUS TUF Gaming RTX 4090 OG and ROG Strix LC RTX 4090 24G—cards that pull 450W in sustained AI workloads and scream at 50-60 dBA with stock triple-fan coolers. For local LLM enthusiasts running Ollama or Stable Diffusion inference at home, this block transforms an unbearable bedroom noise source into a sub-30 dBA whisper.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM PROTECTION\u003c\/strong\u003e is critical: the RTX 4090's 24GB GDDR6X modules throttle at 90-92°C during hours-long inference sessions. This full-cover design presses nickel-plated copper directly onto every VRAM chip and VRM stage, eliminating junction temperature spikes that degrade model performance. \u003cstrong\u003e24\/7 RELIABILITY\u003c\/strong\u003e demands sustained thermal headroom—air coolers cycle heat soak; liquid cooling maintains stable temperatures through multi-day training runs without clock regression.\u003c\/p\u003e\n\n\u003cp\u003eRunning \u003cstrong\u003eMULTI-GPU\u003c\/strong\u003e? Dual RTX 4090s (900W+) in one case is physically impossible with air cooling—no clearance exists. Water cooling is mandatory. And for \u003cstrong\u003eUSED GPU REVIVAL\u003c\/strong\u003e, aging thermal pads on 2-3 year old cards cause hidden throttling; a fresh water block installation performs a complete thermal reset, restoring full inference speed.\u003c\/p\u003e\n\n\u003cp\u003eNickel-plated copper cold plate. G1\/4 standard threading. Integrated 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 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=\"\/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":"Bykski","offers":[{"title":"RBW(5v 3pin) \/ With backplane \/ None","offer_id":41615528099976,"sku":"N-AS4090TUFOG-X_RBW","price":133.55,"currency_code":"USD","in_stock":true},{"title":"RBW(5v 3pin) \/ With backplane \/ Additional light controller (optional for without light sync)","offer_id":41615528722568,"sku":"N-AS4090TUFOG-X_RBW*1+B-RBW-C8-V5*1","price":143.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/z1_e6e99c89-a23b-431b-bc03-4834117765f8.jpg?v=1703572343","url":"https:\/\/www.formulamod.net\/ja\/products\/bykski-gpu-water-block-for-asus-tuf-gaming-rtx-4090-og-rog-strix-lc-rtx-4090-24g-full-cover-with-backplate-pc-water-cooling-cooler-n-as4090tufog-x","provider":"FormulaMod","version":"1.0","type":"link"}