Hardware Spec Index

Zephyra FN-4577 XT 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4577-XT · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,019 (Case Fans scale)
Category rank#7,916
Street price$29
Power4 W
Performance per dollar35.14
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4577 XT
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise28 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-4577 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/92636121 (accessed 2026-10-26).