Hardware Spec Index

Zephyra FN-3840 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3840-XT · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index432 (Case Fans scale)
Category rank#23,214
Street price$19
Power3 W
Performance per dollar22.74
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3840 XT
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3840 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/339144 (accessed 2026-10-19).