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Bykski N-RTX4080S-SR Graphics Card Water Block with All-Metal Structure for NVIDIA RTX4080 32G
This product is compatible with NVIDIA RTX4080 SUPER 32G.
0.3mm jet-type micro-channels increase the heat absorption area, resulting in powerful heat dissipation performance. Furthermore, it features up to 56 channels, increasing the channel area to 15565.2954mm².The copper plate length has been extended to 196mm to increase the water flow coverage area.
Why Water Cool the RTX 5090?
575WTDP under AI load
32GBVRAM (throttles at 92°C)
<30dBWith water cooling
- 575W TDP is the highest ever in a consumer GPU — stock triple-fan coolers hit 55+ dBA under sustained AI load, unusable in home office
- 32GB GDDR7 runs hot at full utilization; waterblocks with full VRAM coverage prevent throttling during long inference sessions
- Dual-5090 AI workstation (1150W GPU power) is only physically buildable with water cooling — air coolers are too thick
Full-cover water blocks cool GPU die + VRAM + VRM simultaneously — unlike air coolers that only target the GPU die.
