Hardware Spec Index

Zephyra FN-4654 Ultra 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4654-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index987 (Case Fans scale)
Category rank#12,296
Street price$29
Power3 W
Performance per dollar34.03
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4654 Ultra
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise32 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-4654 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5725876 (accessed 2026-10-20).