Hardware Spec Index

Zephyra FN-3661 Prime 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3661-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index235 (Case Fans scale)
Category rank#5,421
Street price$9
Power4 W
Performance per dollar26.11
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3661 Prime
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3661 Prime 140mm PWM Case Fan”, https://vextor7.com/item/50009926 (accessed 2026-10-19).