Hardware Spec Index

Zephyra FN-4491 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4491-PRO · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index214 (Case Fans scale)
Category rank#8,341
Street price$9
Power4 W
Performance per dollar23.78
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4491 Pro
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7987 SE 120mm PWM ARGB Case Fan1,234$49Compare
Caldera FN-7516 Core 120mm PWM ARGB Case Fan1,025$29Compare
Caldera FN-4573 Plus 120mm PWM ARGB Case Fan886$29Compare
Caldera FN-9968 Plus 120mm PWM Case Fan (3-Pack)336$9Compare
Caldera FN-1247 Edge 120mm PWM ARGB Case Fan1,355$49Compare
Zephyra FN-3258 Core 140mm PWM ARGB Case Fan (3-Pack)1,341$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4491 Pro 140mm PWM Case Fan”, https://vextor7.com/item/4469959 (accessed 2026-10-23).