Hardware Spec Index

Zephyra FN-3705 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3705-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,059 (Case Fans scale)
Category rank#45,095
Street price$39
Power3 W
Performance per dollar27.15
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3705 Ultra
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3705 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/163182 (accessed 2026-10-21).