Hardware Spec Index

Zephyra FN-5704 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5704-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,084 (Case Fans scale)
Category rank#29,546
Street price$39
Power3 W
Performance per dollar27.79
Released2022

Specifications

BrandZephyra
ModelZephyra FN-5704 Ultra
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5704 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/18813601 (accessed 2026-10-23).