Hardware Spec Index

Zephyra FN-4278 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4278-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index710 (Case Fans scale)
Category rank#38,726
Street price$19
Power4 W
Performance per dollar37.37
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4278 Prime
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4278 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3634634 (accessed 2026-10-21).