Hardware Spec Index

Zephyra FN-5781 Core 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN5781-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,202 (Case Fans scale)
Category rank#39,116
Street price$49
Power3 W
Performance per dollar24.53
Released2021

Specifications

BrandZephyra
ModelZephyra FN-5781 Core
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-5781 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/55954 (accessed 2026-10-19).