Hardware Spec Index

Zephyra FN-9978 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9978-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index422 (Case Fans scale)
Category rank#35,623
Street price$19
Power3 W
Performance per dollar22.21
Released2020

Specifications

BrandZephyra
ModelZephyra FN-9978 Pro
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9978 Pro 120mm PWM Case Fan”, https://vextor7.com/item/8199409 (accessed 2026-10-20).