Bykski Thermal Pad, Thermal Conductivity Coefficient 6w Silicone Grease Thermal Paste, For GPU Block Memory / MOS, Thermal Paste GDDR6/4090, B-GRP-1.5-X
Bykski Thermal Pad, Thermal Conductivity Coefficient 6w Silicone Grease Thermal Paste, For GPU Block Memory / MOS, Thermal Paste GDDR6/4090, B-GRP-1.5-X
SKU:B-GRP-1.5-X
2 auf Lager
Verfügbarkeit für Abholungen konnte nicht geladen werden
The Bykski full-cover GPU water block for the 4090 replaces the stock blower or open-air cooler with a direct-contact copper cold plate pressed against every major heat source on the card — GPU die, VRAM modules, and VRMs in a single pass.
Running local AI inference continuously pushes GDDR6X VRAM toward the 92°C throttle threshold within minutes on air. Water cooling keeps VRAM well below that ceiling, sustaining full memory bandwidth through long Ollama sessions, ComfyUI queues, and overnight batch jobs.
Drop the loop noise below 30 dBA — quiet enough for a bedroom or shared home office even under 24/7 AI load. Material: nickel-plated copper cold plate, acrylic/POM top. Fittings: G1/4 thread. Ships worldwide.
Frequently Asked Questions
Is this waterblock compatible with my RTX 4090?
This 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.
How much quieter will my RTX 4090 be with water cooling?
Stock 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.
What else do I need for a complete loop?
Besides 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 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 4090?
- 24/7 Stable Diffusion inference pushes VRAM to 90°C+ junction; full-cover waterblocks eliminate throttling
- Dual-4090 builds (900W total GPU) are physically impossible in normal cases without water cooling — 3-slot air coolers block each other
- The #1 used-GPU-to-waterblock conversion target — buyers snagging secondhand 4090s want silent 24/7 AI rigs
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
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