Hardware Spec Index

Zephyra FN-4891 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4891-CORE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index781 (Case Fans scale)
Category rank#37,678
Street price$19
Power3 W
Performance per dollar41.11
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4891 Core
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4891 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4803364 (accessed 2026-10-25).