Hardware Spec Index

Zephyra FN-4278 SE 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4278-SE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index471 (Case Fans scale)
Category rank#22,863
Street price$19
Power4 W
Performance per dollar24.79
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4278 SE
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4278 SE 140mm PWM Case Fan”, https://vextor7.com/item/788080 (accessed 2026-10-21).