Hardware Spec Index

Zephyra FN-1857 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1857-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index282 (Case Fans scale)
Category rank#28,218
Street price$9
Power3 W
Performance per dollar31.33
Released2023

Specifications

BrandZephyra
ModelZephyra FN-1857 Pro
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1857 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/25007743 (accessed 2026-10-24).