Bykski GPU Block With Active Waterway Backplane Cooler For Asus ROG Strix RTX 3090/3080Ti/3080 Gaming, N-AS3090STRIX-TC-V3
Bykski GPU Block With Active Waterway Backplane Cooler For Asus ROG Strix RTX 3090/3080Ti/3080 Gaming, N-AS3090STRIX-TC-V3
SKU:N-AS3090STRIX-TC-V3_RBW
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The Bykski N-AS3090STRIX-TC-V3 is a full-cover GPU water block engineered specifically for the ASUS ROG Strix RTX 3090/3080Ti/3080, targeting sustained AI inference workloads in home offices and small-scale Ollama/Stable Diffusion deployments.
Silence is mandatory for bedroom AI rigs. Stock Strix fans scream at 45-65 dBA under sustained LLM loads; this water block drops operation below 30 dBA, making 24/7 local model hosting tolerable in living spaces. VRAM protection is the critical fix. Reference PCB designs leave backside GDDR6X modules thermally stranded—junction temperatures hit 104-110°C, triggering the infamous 92°C throttle that cripples inference throughput. Bykski's full-coverage cold plate presses directly on every VRAM module, maintaining sustained thermal headroom for hours-long generation tasks.
Used GPU revival is where this block delivers transformative value. Two-to-four-year-old RTX 3090s—whether previously-deployed—suffer degraded thermal pads and paste, causing immediate throttling under AI load. Installing this water block performs a complete thermal reset: fresh pads, direct-die cooling, and elimination of the backside VRAM dead zone. 24/7 reliability demands sustained thermal performance, not bursty gaming peaks; this block maintains sub-70°C core and VRAM temperatures indefinitely. For multi-GPU necessity, dual 3090s pulling 700-900W in a single case have zero air-cooling path—water cooling becomes physically mandatory, and this block's low-profile design enables dense parallel inference configurations.
Nickel-plated copper cold plate, G1/4 threading, integrated aluminum backplate with active waterway cooling for rear VRAM. Ships worldwide.
Frequently Asked Questions
Is this waterblock compatible with my RTX 3090?
This Bykski waterblock is designed for the RTX 3090. 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.
How much quieter will my RTX 3090 be with water cooling?
Stock RTX 3090 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.
What else do I need for a complete loop?
Besides this waterblock, a complete custom loop needs: a radiator (360mm minimum for 350W 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 AI Workstation Cooling collection for complete setups.
Can I run this 24/7 for AI inference?
Yes. 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.
Does FormulaMod ship to the USA and Europe?
Yes. We ship worldwide from our Shenzhen warehouse. USA and EU orders typically arrive within 7 days. All products are covered by our return policy.
Why Water Cool the RTX 3090?
- Thermal pads on 2-4 year old used 3090s are degraded; installing a waterblock = complete thermal reset, revives ex-mining/ex-gaming cards for AI duty
- 350W sustained for 24/7 Ollama inference = 55 dBA fan noise from the triple-fan FE cooler — unacceptable for home office/bedroom
- Dual-3090 builds (700W total GPU) are the cheapest path to 48GB VRAM for 70B LLMs — water cooling is the only way to fit both in a normal case
- #1 target for FormulaMod — the largest used-GPU waterblock upgrade market in existence
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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