Hardware Spec Index

Zephyra FN-5857 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN5857-CORE · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index273 (Case Fans scale)
Category rank#40,819
Street price$9
Power4 W
Performance per dollar30.33
Released2026

Specifications

BrandZephyra
ModelZephyra FN-5857 Core
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 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-5857 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/99863716 (accessed 2026-10-20).