402 Top — Esys Plus
| 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) | 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 | esys plus 402 top
In the relentless pursuit of computational power, one immutable truth remains: heat is the enemy. Whether you are a competitive overclocker pushing silicon to its absolute limit, a data center manager ensuring 99.999% uptime, or a creator rendering 8K video, the efficiency of your cooling solution dictates the performance of your system. | Feature | Delta AFB0412HB | Noctua NF-A4x20
Dual Xeon E5-2697A v4 (145W TDP each) with a 1U passive heatsink. Ambient temp 24°C. Ambient temp 24°C
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.
