Hardware Spec Index

Zephyra FN-6557 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN6557-XT · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index504 (Case Fans scale)
Category rank#5,976
Street price$19
Power4 W
Performance per dollar26.53
Released2021

Specifications

BrandZephyra
ModelZephyra FN-6557 XT
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-6557 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/15939488 (accessed 2026-10-24).