Hardware Spec Index

Zephyra FN-3998 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3998-CORE · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index409 (Case Fans scale)
Category rank#36,496
Street price$9
Power2 W
Performance per dollar45.44
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3998 Core
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3998 Core 120mm PWM Case Fan”, https://vextor7.com/item/849424 (accessed 2026-10-26).