Hardware Spec Index

Zephyra FN-1770 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN1770-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,164 (Case Fans scale)
Category rank#3,562
Street price$39
Power4 W
Performance per dollar29.85
Released2023

Specifications

BrandZephyra
ModelZephyra FN-1770 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 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-1770 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1012967 (accessed 2026-10-24).