Hardware Spec Index

Zephyra FN-5791 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN5791-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index628 (Case Fans scale)
Category rank#48,686
Street price$19
Power3 W
Performance per dollar33.05
Released2020

Specifications

BrandZephyra
ModelZephyra FN-5791 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5791 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/93520785 (accessed 2026-10-26).