Hardware Spec Index

Zephyra FN-9931 XT 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN9931-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index212 (Case Fans scale)
Category rank#9,022
Street price$9
Power3 W
Performance per dollar23.56
Released2020

Specifications

BrandZephyra
ModelZephyra FN-9931 XT
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9931 XT 140mm PWM Case Fan”, https://vextor7.com/item/8545680 (accessed 2026-10-21).