Hardware Spec Index

Zephyra FN-4840 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4840-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index858 (Case Fans scale)
Category rank#48,644
Street price$29
Power3 W
Performance per dollar29.59
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4840 Ultra
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 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-4840 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7594081 (accessed 2026-10-24).