Hardware Spec Index

Zephyra FN-4540 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4540-SE · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index645 (Case Fans scale)
Category rank#7,954
Street price$19
Power4 W
Performance per dollar33.95
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4540 SE
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4540 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4012849 (accessed 2026-10-23).