Esys Plus 402 Top May 2026

| Scenario | Generic Fan (80 CFM) | Silent Fan (45 CFM) | | | :--- | :--- | :--- | :--- | | Idle Temp (CPU 1) | 48°C | 52°C | 39°C | | 100% Load (10 min) | 91°C (Throttling) | 98°C (Critical) | 74°C | | Noise @ 1m | 42 dBA | 35 dBA | 52 dBA | | Static Pressure @ 0 CFM | 12 mmH₂O | 8 mmH₂O | 28.5 mmH₂O |

It does not whisper. It does not glow. It does not apologize. It simply moves air—violently, efficiently, and reliably. For the engineer, the miner, and the power user, the ESYS Plus 402 Top is not just a fan; it is a necessity. Have you installed an ESYS Plus 402 Top in your build? Share your thermal results and fan curves in the comments below. For more industrial cooling guides, subscribe to our newsletter. esys plus 402 top

| Feature | Delta AFB0412HB | Noctua NF-A4x20 | | | :--- | :--- | :--- | :--- | | Max RPM | 13,500 | 5,000 | 15,000 | | Static Pressure | 25.4 mmH₂O | 2.26 mmH₂O | 28.5 mmH₂O | | Noise | 55 dBA | 14.9 dBA | 52.5 dBA | | Best For | Server racks | Silent desktops | Mixed/Industrial | | Scenario | Generic Fan (80 CFM) |