Hardware Spec Index

Zephyra FN-4746 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4746-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,257 (Case Fans scale)
Category rank#3,228
Street price$39
Power3 W
Performance per dollar32.23
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4746 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4746 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/78280488 (accessed 2026-10-19).