Hardware Spec Index

Zephyra FN-3503 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3503-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,018 (Case Fans scale)
Category rank#845
Street price$29
Power3 W
Performance per dollar35.10
Released2020

Specifications

BrandZephyra
ModelZephyra FN-3503 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3503 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/51679524 (accessed 2026-10-19).