Hardware Spec Index

Zephyra FN-5540 SE 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5540-SE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index542 (Case Fans scale)
Category rank#30,431
Street price$19
Power4 W
Performance per dollar28.53
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5540 SE
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5540 SE 140mm PWM Case Fan”, https://vextor7.com/item/803586 (accessed 2026-10-20).