NMB Turbo Fan 80mm PWM Server Fan
80mm NMB 3115FT-D4W-B86 Turbo Fan, Black, 5 Blade, 2800rpm, 118.6CFM, Dual Ball Bearing, 4-Pin PWM
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NMB 3115FT-D4W-B86 Turbo Fan
The NMB 3115FT-D4W-B86 Turbo Fan is designed for high-demand thermal environments where long-term reliability and precise control are essential. Featuring a robust dual ball bearing system rated for an extended 60,000-hour lifespan, this fan delivers dependable operation in continuous-use scenarios. Ideal for industrial machinery, networking equipment, power systems, and mission-critical installations, it ensures stable cooling performance day after day.
Performance & Control
Operating at up to 2800 RPM, the 3115FT-D4W-B86 provides powerful, responsive cooling when thermal loads rise. Its integrated PWM control allows refined fan speed modulation, enabling efficient temperature management, reduced noise levels, and optimised energy consumption. The built-in tachometer output provides precise RPM feedback, ensuring full visibility for monitoring software and assisting with preventative maintenance planning.
Reliability Features
Engineered for environments where uptime is paramount, this model includes a full suite of reliability-focused protections. The long-life 60,000-hour dual ball bearing assembly ensures consistent performance over years of operation. Auto-restart capability guarantees the fan resumes operation instantly after power is restored, while polarity protection safeguards internal electronics against incorrect wiring. The addition of hot swap compatibility allows technicians to replace the fan without powering down the system, supporting seamless maintenance in live environments.
• 60,000-Hour Dual Ball Bearing Design – Long-life bearing system built for continuous, demanding operation.
• 2800 RPM Maximum Speed – Strong cooling output for high-thermal-load conditions.
• PWM Speed Control – Provides precise, adaptive control over fan performance.
• Tachometer Output – Enables real-time RPM monitoring for system diagnostics.
• Auto-Restart Function – Automatically resumes operation after power loss.
• Polarity Protection – Prevents damage from incorrect wiring during installation.
• Hot Swap Capability – Allows fan replacement without shutting down the system.