Hardware Spec Index

Zephyra FN-3985 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN3985-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index544 (Case Fans scale)
Category rank#19,849
Street price$19
Power3 W
Performance per dollar28.63
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3985 Prime
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3985 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6654858 (accessed 2026-10-24).