Hardware Spec Index

Zephyra FN-3688 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3688-PRIME · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index626 (Case Fans scale)
Category rank#23,522
Street price$19
Power4 W
Performance per dollar32.95
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3688 Prime
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3688 Prime 140mm PWM Case Fan”, https://vextor7.com/item/1789174 (accessed 2026-10-26).