Hardware Spec Index

Zephyra FN-6991 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6991-SE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index293 (Case Fans scale)
Category rank#44,280
Street price$9
Power4 W
Performance per dollar32.56
Released2023

Specifications

BrandZephyra
ModelZephyra FN-6991 SE
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6991 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/11216367 (accessed 2026-10-21).