Hardware Spec Index

Zephyra FN-4538 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4538-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index693 (Case Fans scale)
Category rank#49,390
Street price$19
Power3 W
Performance per dollar36.47
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4538 Pro
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4538 Pro 140mm PWM Case Fan”, https://vextor7.com/item/401888 (accessed 2026-10-19).