Hardware Spec Index

Zephyra FN-4635 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4635-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index214 (Case Fans scale)
Category rank#19,369
Street price$9
Power3 W
Performance per dollar23.78
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4635 Prime
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4635 Prime 120mm PWM Case Fan”, https://vextor7.com/item/18765633 (accessed 2026-10-24).