Hardware Spec Index

Zephyra FN-9958 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN9958-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index688 (Case Fans scale)
Category rank#2,357
Street price$19
Power3 W
Performance per dollar36.21
Released2022

Specifications

BrandZephyra
ModelZephyra FN-9958 Pro
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9958 Pro 140mm PWM Case Fan”, https://vextor7.com/item/1296568 (accessed 2026-10-20).