Hardware Spec Index

Zephyra FN-9991 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9991-PRIME · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index587 (Case Fans scale)
Category rank#3,244
Street price$19
Power3 W
Performance per dollar30.89
Released2026

Specifications

BrandZephyra
ModelZephyra FN-9991 Prime
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9991 Prime 120mm PWM Case Fan”, https://vextor7.com/item/495586 (accessed 2026-10-22).