Hardware Spec Index

Zephyra FN-4631 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4631-CORE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index477 (Case Fans scale)
Category rank#12,510
Street price$19
Power3 W
Performance per dollar25.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4631 Core
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4631 Core 120mm PWM Case Fan”, https://vextor7.com/item/2916335 (accessed 2026-10-21).