{"product_id":"bykski-gpu-water-block-for-xfx-rx-7900-xtx-speedster-merc-310-7900-xt-pro-24g-vastarmor-rx-7900-xtx-full-cover-with-backplate-pc-water-cooling-cooler-a-xf7900xtx-x","title":"Bykski GPU Water Block For XFX RX 7900 XTX Speedster Merc 310 \/ 7900 XT Pro 24G \/ Vastarmor RX 7900 XTX, Full Cover With Backplate PC Water Cooling Cooler, A-XF7900XTX-X","description":"\u003cp\u003eThe Bykski A-XF7900XTX-X full-cover water block fits XFX RX 7900 XTX Speedster Merc 310, 7900 XT Pro 24G, and Vastarmor RX 7900 XTX variants. With 24GB VRAM and 355W TDP, AMD's flagship enables 70B parameter local LLMs via ROCm—making silence and sustained thermal headroom essential, not optional.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSilence for Home AI Rigs:\u003c\/strong\u003e Stock AIB coolers and the reference blower push 45-55 dBA under sustained 355W inference loads. This water block drops operating noise below 30 dBA, transforming bedroom or home office AI workstations into actually livable spaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM Protection \u0026amp; 24\/7 Reliability:\u003c\/strong\u003e GDDR6 modules throttle when junction temperatures climb during hours-long inference sessions. Full-coverage cooling presses directly on VRAM, VRM, and GPU die—eliminating thermal throttling and ensuring continuous stability for multi-day training or batch generation tasks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMulti-GPU Necessity:\u003c\/strong\u003e Dual RX 7900 XTX configurations (700W+) exceed practical air cooling limits in standard cases. Water cooling is the only viable path to dense, local AI compute without rack infrastructure. Nickel-plated copper construction, G1\/4 threading, integrated aluminum backplate. 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=\"\/en-ca\/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":41148687220872,"sku":"A-XF7900XTX-X_RBW","price":131.94,"currency_code":"USD","in_stock":true},{"title":"RBW(5v 3pin) \/ With backplane \/ Additional light controller (optional for without light sync)","offer_id":41578142957704,"sku":"A-XF7900XTX-X_RBW*1+B-RBW-C8-V5*1","price":143.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/A-XF7900XTX-X.jpg?v=1777456514","url":"https:\/\/www.formulamod.net\/en-ca\/products\/bykski-gpu-water-block-for-xfx-rx-7900-xtx-speedster-merc-310-7900-xt-pro-24g-vastarmor-rx-7900-xtx-full-cover-with-backplate-pc-water-cooling-cooler-a-xf7900xtx-x","provider":"FormulaMod","version":"1.0","type":"link"}