Hardware Spec Index

Zephyra FN-5851 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5851-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index666 (Case Fans scale)
Category rank#35,893
Street price$19
Power3 W
Performance per dollar35.05
Released2026

Specifications

BrandZephyra
ModelZephyra FN-5851 Pro
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5851 Pro 140mm PWM Case Fan”, https://vextor7.com/item/5282763 (accessed 2026-10-21).