{"product_id":"bykski-gpu-water-block-for-amd-radeon-rx-7800-xt-full-cover-with-backplate-pc-water-cooling-cooler-a-rx7800xt-x-的副本","title":"Bykski GPU Water Block For AMD Radeon RX 7900 XTX, Full Cover With Backplate PC Water Cooling Cooler, A-RX7900XTX-X","description":"\u003cp\u003eThe \u003cstrong\u003eBykski A-RX7900XTX-X\u003c\/strong\u003e full-cover water block transforms AMD's 355W RX 7900 XTX into a silent inference engine for 70B parameter LLMs running on ROCm. Reference blower and dual-fan AIB coolers scream at 50-60 dBA under sustained load; this block drops noise below 30 dBA—critical for home office AI rigs running Ollama or Stable Diffusion overnight.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM protection is non-negotiable for AI workloads.\u003c\/strong\u003e The 24GB GDDR6 memory runs hot during hours-long inference sessions, throttling performance without direct cooling. Bykski's precision-machined cold plate presses nickel-plated copper directly against every VRAM module and VRM, maintaining thermal headroom that air coolers simply cannot sustain 24\/7.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMulti-GPU necessity meets used GPU revival.\u003c\/strong\u003e Dual RX 7900 XTX configurations (700W+) in a single case are impossible with air cooling—water is mandatory. For aging reference cards with degraded thermal pads, this block delivers a complete thermal reset, restoring full 355W sustained performance for local LLM hosting.\u003c\/p\u003e\n\n\u003cp\u003eNickel-plated copper construction, G1\/4 standard threading, integrated aluminum backplate for VRAM rear 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 RX 7900 XTX?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Bykski waterblock is designed for the RX 7900 XTX. 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 RX 7900 XTX be with water cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStock RX 7900 XTX 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 355W 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 Backplate \/ None","offer_id":41834110091400,"sku":"A-RX7900XTX-X_RBW","price":131.94,"currency_code":"USD","in_stock":true},{"title":"RBW(5v 3pin) \/ With Backplate \/ Additional light controller (optional for without light sync)","offer_id":41834110124168,"sku":"A-RX7900XTX-X_RBW*1+B-RBW-C8-V5*1","price":141.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/z1_175785fc-5784-4764-8013-03fde92984ea.jpg?v=1709276438","url":"https:\/\/www.formulamod.net\/ja\/products\/bykski-gpu-water-block-for-amd-radeon-rx-7800-xt-full-cover-with-backplate-pc-water-cooling-cooler-a-rx7800xt-x-%e7%9a%84%e5%89%af%e6%9c%ac","provider":"FormulaMod","version":"1.0","type":"link"}