Hardware Spec Index

Zephyra FN-7644 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN7644-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,080 (Case Fans scale)
Category rank#47,744
Street price$39
Power3 W
Performance per dollar27.69
Released2021

Specifications

BrandZephyra
ModelZephyra FN-7644 Ultra
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7644 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/188600 (accessed 2026-10-24).