Hardware Spec Index

Zephyra FN-1781 Core 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN1781-CORE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index859 (Case Fans scale)
Category rank#32,777
Street price$29
Power3 W
Performance per dollar29.62
Released2021

Specifications

BrandZephyra
ModelZephyra FN-1781 Core
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-1781 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/69014347 (accessed 2026-10-23).