Hardware Spec Index

Zephyra FN-4703 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4703-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index838 (Case Fans scale)
Category rank#25,943
Street price$29
Power4 W
Performance per dollar28.90
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4703 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise33 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-4703 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/588692 (accessed 2026-10-18).