Hardware Spec Index

Zephyra FN-3938 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3938-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index218 (Case Fans scale)
Category rank#6,787
Street price$9
Power3 W
Performance per dollar24.22
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3938 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3938 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2829109 (accessed 2026-10-18).