Hardware Spec Index

Zephyra FN-7991 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN7991-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index885 (Case Fans scale)
Category rank#19,886
Street price$29
Power4 W
Performance per dollar30.52
Released2022

Specifications

BrandZephyra
ModelZephyra FN-7991 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7991 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/20130158 (accessed 2026-10-22).