Hardware Spec Index

Zephyra FN-5539 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5539-PRO · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index270 (Case Fans scale)
Category rank#49,714
Street price$9
Power4 W
Performance per dollar30.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-5539 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5539 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9893909 (accessed 2026-10-24).