Hardware Spec Index

Zephyra FN-4921 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4921-CORE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index685 (Case Fans scale)
Category rank#49,171
Street price$19
Power3 W
Performance per dollar36.05
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4921 Core
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4921 Core 140mm PWM Case Fan”, https://vextor7.com/item/91057179 (accessed 2026-10-25).