Hardware Spec Index

Zephyra FN-8640 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN8640-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,340 (Case Fans scale)
Category rank#39,604
Street price$49
Power4 W
Performance per dollar27.35
Released2019

Specifications

BrandZephyra
ModelZephyra FN-8640 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-8640 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/11792000 (accessed 2026-10-19).