Hardware Spec Index

Zephyra FN-5731 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN5731-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index624 (Case Fans scale)
Category rank#43,652
Street price$19
Power4 W
Performance per dollar32.84
Released2021

Specifications

BrandZephyra
ModelZephyra FN-5731 Core
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5731 Core 140mm PWM Case Fan”, https://vextor7.com/item/45918940 (accessed 2026-10-19).