Hardware Spec Index

Zephyra FN-7557 Ultra 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN7557-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index401 (Case Fans scale)
Category rank#904
Street price$9
Power4 W
Performance per dollar44.56
Released2021

Specifications

BrandZephyra
ModelZephyra FN-7557 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-7557 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/299392 (accessed 2026-10-19).