Hardware Spec Index

Zephyra FN-5857 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5857-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index466 (Case Fans scale)
Category rank#36,306
Street price$19
Power3 W
Performance per dollar24.53
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5857 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5857 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/1603014 (accessed 2026-10-21).