Hardware Spec Index

Zephyra FN-3947 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3947-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index264 (Case Fans scale)
Category rank#2,216
Street price$9
Power3 W
Performance per dollar29.33
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3947 XT
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3947 XT 140mm PWM Case Fan”, https://vextor7.com/item/93038843 (accessed 2026-10-22).