Hardware Spec Index

Zephyra FN-7931 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN7931-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index227 (Case Fans scale)
Category rank#36,471
Street price$9
Power3 W
Performance per dollar25.22
Released2019

Specifications

BrandZephyra
ModelZephyra FN-7931 Prime
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7931 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6490572 (accessed 2026-10-26).