Hardware Spec Index

Zephyra FN-3781 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3781-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,044 (Case Fans scale)
Category rank#44,823
Street price$39
Power4 W
Performance per dollar26.77
Released2024

Specifications

BrandZephyra
ModelZephyra FN-3781 XT
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3781 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5769307 (accessed 2026-10-24).