Hardware Spec Index

Zephyra FN-3857 Max 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3857-MAX · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index603 (Case Fans scale)
Category rank#23,756
Street price$19
Power3 W
Performance per dollar31.74
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3857 Max
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3857 Max 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1783271 (accessed 2026-10-21).