Hardware Spec Index

Zephyra FN-3491 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3491-SE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index632 (Case Fans scale)
Category rank#11,316
Street price$19
Power4 W
Performance per dollar33.26
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3491 SE
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-2988 Pro 120mm PWM Case Fan576$19Compare
Brontix FN-5197 Pro 120mm PWM Case Fan259$9Compare
Caldera FN-5215 Prime 120mm PWM Case Fan438$19Compare
Corvane FN-5448 Core 140mm PWM Case Fan231$9Compare
Zephyra FN-5618 Core 140mm PWM ARGB Case Fan1,335$49Compare
Brontix FN-4860 SE 140mm PWM ARGB Case Fan1,263$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3491 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8449686 (accessed 2026-10-20).