Hardware Spec Index

Zephyra FN-5646 Ultra 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5646-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,100 (Case Fans scale)
Category rank#16,565
Street price$39
Power3 W
Performance per dollar28.21
Released2025

Specifications

BrandZephyra
ModelZephyra FN-5646 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise22 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-5646 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/12435907 (accessed 2026-10-21).