Hardware Spec Index

Zephyra FN-4557 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4557-XT · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index227 (Case Fans scale)
Category rank#22,903
Street price$9
Power3 W
Performance per dollar25.22
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4557 XT
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4557 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20168334 (accessed 2026-10-19).