Hardware Spec Index

Zephyra FN-5643 Prime 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5643-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,024 (Case Fans scale)
Category rank#5,161
Street price$39
Power3 W
Performance per dollar26.26
Released2021

Specifications

BrandZephyra
ModelZephyra FN-5643 Prime
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 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-5643 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4159819 (accessed 2026-10-22).