Hardware Spec Index

Zephyra FN-4240 Plus 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4240-PLUS · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index294 (Case Fans scale)
Category rank#4,022
Street price$9
Power4 W
Performance per dollar32.67
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4240 Plus
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4240 Plus 140mm PWM Case Fan”, https://vextor7.com/item/238272 (accessed 2026-10-20).