Hardware Spec Index

Zephyra FN-6631 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN6631-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index418 (Case Fans scale)
Category rank#24,358
Street price$9
Power3 W
Performance per dollar46.44
Released2025

Specifications

BrandZephyra
ModelZephyra FN-6631 Ultra
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6631 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/19970682 (accessed 2026-10-22).