Hardware Spec Index

Zephyra FN-1840 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN1840-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,283 (Case Fans scale)
Category rank#45,080
Street price$39
Power4 W
Performance per dollar32.90
Released2022

Specifications

BrandZephyra
ModelZephyra FN-1840 Ultra
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1840 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/24255127 (accessed 2026-10-19).