Hardware Spec Index

Zephyra FN-1646 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN1646-PRIME · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index256 (Case Fans scale)
Category rank#38,378
Street price$9
Power3 W
Performance per dollar28.44
Released2023

Specifications

BrandZephyra
ModelZephyra FN-1646 Prime
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1646 Prime 140mm PWM Case Fan”, https://vextor7.com/item/6816736 (accessed 2026-10-26).