Hardware Spec Index

Zephyra FN-3946 Core 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3946-CORE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,052 (Case Fans scale)
Category rank#38,242
Street price$39
Power4 W
Performance per dollar26.97
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3946 Core
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3946 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4299293 (accessed 2026-10-21).