Hardware Spec Index

Zephyra FN-4939 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4939-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index645 (Case Fans scale)
Category rank#10,604
Street price$19
Power2 W
Performance per dollar33.95
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4939 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4939 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2440187 (accessed 2026-10-20).