Hardware Spec Index

Zephyra FN-6231 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN6231-ULTRA · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index608 (Case Fans scale)
Category rank#48,219
Street price$19
Power3 W
Performance per dollar32.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6231 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6231 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12371371 (accessed 2026-10-18).