Hardware Spec Index

Zephyra FN-4550 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4550-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index336 (Case Fans scale)
Category rank#8,746
Street price$19
Power3 W
Performance per dollar17.68
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4550 Pro
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4550 Pro 140mm PWM Case Fan”, https://vextor7.com/item/8979979 (accessed 2026-10-21).