Hardware Spec Index

Zephyra FN-9891 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN9891-PRIME · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index728 (Case Fans scale)
Category rank#12,489
Street price$19
Power4 W
Performance per dollar38.32
Released2026

Specifications

BrandZephyra
ModelZephyra FN-9891 Prime
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9891 Prime 120mm PWM Case Fan”, https://vextor7.com/item/3369964 (accessed 2026-10-23).