Hardware Spec Index

Teralux FN-5840 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN5840-PRO · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index570 (Case Fans scale)
Category rank#35,975
Street price$19
Power4 W
Performance per dollar30.00
Released2021

Specifications

BrandTeralux
ModelTeralux FN-5840 Pro
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5840 Pro 140mm PWM Case Fan”, https://vextor7.com/item/1879899 (accessed 2026-10-25).