Hardware Spec Index

Zephyra FN-7857 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7857-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index198 (Case Fans scale)
Category rank#18,288
Street price$9
Power4 W
Performance per dollar22.00
Released2020

Specifications

BrandZephyra
ModelZephyra FN-7857 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7857 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45301987 (accessed 2026-10-20).