Hardware Spec Index

Zephyra FN-3999 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3999-CORE · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index306 (Case Fans scale)
Category rank#11,303
Street price$9
Power4 W
Performance per dollar34.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3999 Core
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3999 Core 140mm PWM Case Fan”, https://vextor7.com/item/4529377 (accessed 2026-10-26).