Hardware Spec Index

Zephyra FN-7991 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN7991-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index233 (Case Fans scale)
Category rank#31,968
Street price$9
Power3 W
Performance per dollar25.89
Released2021

Specifications

BrandZephyra
ModelZephyra FN-7991 XT
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7991 XT 140mm PWM Case Fan”, https://vextor7.com/item/17835720 (accessed 2026-10-19).