Hardware Spec Index

Zephyra FN-9978 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN9978-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index295 (Case Fans scale)
Category rank#4,682
Street price$9
Power3 W
Performance per dollar32.78
Released2026

Specifications

BrandZephyra
ModelZephyra FN-9978 Pro
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9978 Pro 140mm PWM Case Fan”, https://vextor7.com/item/11248815 (accessed 2026-10-24).