Hardware Spec Index

Zephyra FN-4051 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4051-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index578 (Case Fans scale)
Category rank#19,781
Street price$19
Power3 W
Performance per dollar30.42
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4051 Pro
Size120 × 120 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4051 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3587315 (accessed 2026-10-22).