Hardware Spec Index

Zephyra FN-9991 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN9991-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,089 (Case Fans scale)
Category rank#35,403
Street price$29
Power3 W
Performance per dollar37.55
Released2019

Specifications

BrandZephyra
ModelZephyra FN-9991 Prime
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9991 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5359347 (accessed 2026-10-21).