Hardware Spec Index

Zephyra FN-4905 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4905-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index530 (Case Fans scale)
Category rank#39,371
Street price$19
Power4 W
Performance per dollar27.89
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4905 Prime
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4905 Prime 140mm PWM Case Fan”, https://vextor7.com/item/20049030 (accessed 2026-10-20).