Hardware Spec Index

Zephyra FN-5891 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5891-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index610 (Case Fans scale)
Category rank#13,691
Street price$19
Power3 W
Performance per dollar32.11
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5891 Prime
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5891 Prime 120mm PWM Case Fan”, https://vextor7.com/item/8907888 (accessed 2026-10-24).