Hardware Spec Index

Zephyra FN-7857 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7857-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index509 (Case Fans scale)
Category rank#45,745
Street price$19
Power4 W
Performance per dollar26.79
Released2021

Specifications

BrandZephyra
ModelZephyra FN-7857 Pro
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7857 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95969019 (accessed 2026-10-20).