Hardware Spec Index

Zephyra FN-3978 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3978-CORE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index732 (Case Fans scale)
Category rank#17,149
Street price$19
Power3 W
Performance per dollar38.53
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3978 Core
Size120 × 120 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3978 Core 120mm PWM Case Fan”, https://vextor7.com/item/46974564 (accessed 2026-10-22).