{"product_id":"bykski-gpu-water-block-for-galaxy-geforce-rtx-5090-d-starry-luna-oc-full-cover-with-backplate-pc-water-cooling-cooler-n-gy5090dxy-x","title":"Bykski GPU Water Block For GALAXY GeForce RTX 5090 D Starry LUNA OC , Full Cover With Backplate PC Water Cooling Cooler,  N-GY5090DXY-X","description":"\u003cp\u003eThe \u003cstrong\u003eBykski N-GY5090DXY-X\u003c\/strong\u003e is a full-cover water block engineered for the \u003cstrong\u003eGalax RTX 5090 Starry LUNA OC\u003c\/strong\u003e — a 575W consumer GPU that pushes stock cooling to its absolute limit. Under sustained AI inference with Ollama or Stable Diffusion, triple-fan air coolers scream past 55 dBA, rendering home office deployment impossible. This block drops operational noise below 30 dBA while delivering the thermal headroom 24\/7 workloads demand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVRAM Protection\u003c\/strong\u003e is critical: the RTX 5090's 32GB GDDR7 memory modules throttle at 92°C during long-context LLM inference. Bykski's full-coverage design presses nickel-plated copper directly against every GDDR7 chip and VRM phase, eliminating the thermal gradients that degrade inference performance over multi-hour sessions. For multi-GPU AI rigs, this block enables dual 5090 configurations (1100W+) in standard cases where no air solution physically exists.\u003c\/p\u003e\n\n\u003cp\u003eRunning \u003cstrong\u003eused or refurbished RTX 5090 cards\u003c\/strong\u003e? Thermal pad degradation from prior rendering and compute loads causes immediate throttling. Installing this water block performs a complete thermal reset — fresh interface material, full contact pressure, and sustained sub-60°C core temperatures that restore factory performance. The integrated aluminum backplate adds structural rigidity for horizontal mounting and passive VRM cooling.\u003c\/p\u003e\n\n\u003cp\u003eNickel-plated copper cold plate. G1\/4 standard threading. Full coverage: GPU, GDDR7, VRM. 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 5090?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Bykski waterblock is designed for the RTX 5090. 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 5090 be with water cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStock RTX 5090 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 575W 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":"All Metal \/ With backplane","offer_id":44630601040008,"sku":"N-GY5090DXY-X_RBW","price":171.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0335\/6554\/0488\/files\/W1_eed835c2-1d4e-4e19-b3c2-cf5bb2b23911.jpg?v=1767078191","url":"https:\/\/www.formulamod.net\/de\/products\/bykski-gpu-water-block-for-galaxy-geforce-rtx-5090-d-starry-luna-oc-full-cover-with-backplate-pc-water-cooling-cooler-n-gy5090dxy-x","provider":"FormulaMod","version":"1.0","type":"link"}