Hardware Spec Index

Zephyra FN-5540 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5540-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index547 (Case Fans scale)
Category rank#44,068
Street price$19
Power4 W
Performance per dollar28.79
Released2022

Specifications

BrandZephyra
ModelZephyra FN-5540 Prime
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5540 Prime 140mm PWM Case Fan”, https://vextor7.com/item/516471 (accessed 2026-10-20).