Hardware Spec Index

Zephyra FN-3678 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3678-PRIME · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index766 (Case Fans scale)
Category rank#41,160
Street price$19
Power3 W
Performance per dollar40.32
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3678 Prime
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3678 Prime 140mm PWM Case Fan”, https://vextor7.com/item/5121071 (accessed 2026-10-26).