Hardware Spec Index

Zephyra FN-1841 Ultra 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN1841-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index616 (Case Fans scale)
Category rank#14,341
Street price$19
Power4 W
Performance per dollar32.42
Released2020

Specifications

BrandZephyra
ModelZephyra FN-1841 Ultra
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 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-1841 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3136604 (accessed 2026-10-19).