Hardware Spec Index

Zephyra FN-4921 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4921-CORE · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index293 (Case Fans scale)
Category rank#42,175
Street price$9
Power3 W
Performance per dollar32.56
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4921 Core
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4921 Core 140mm PWM Case Fan”, https://vextor7.com/item/52322999 (accessed 2026-10-26).