Hardware Spec Index

Zephyra FN-3870 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3870-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,352 (Case Fans scale)
Category rank#34,741
Street price$49
Power3 W
Performance per dollar27.59
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3870 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3870 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3933619 (accessed 2026-10-21).