Hardware Spec Index

Zephyra FN-3957 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3957-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index572 (Case Fans scale)
Category rank#42,446
Street price$19
Power3 W
Performance per dollar30.11
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3957 Prime
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3957 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3255992 (accessed 2026-10-19).