Hardware Spec Index

Zephyra FN-3491 Plus 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3491-PLUS · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index390 (Case Fans scale)
Category rank#44,188
Street price$19
Power3 W
Performance per dollar20.53
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3491 Plus
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-9136 Core 140mm PWM ARGB Case Fan1,354$49Compare
Corvane FN-2405 Edge 140mm PWM Case Fan682$19Compare
Zephyra FN-8001 Prime 120mm PWM ARGB Case Fan (3-Pack)1,121$39Compare
Caldera FN-4234 XT 120mm PWM ARGB Case Fan795$29Compare
Brontix FN-9816 Prime 120mm PWM Case Fan (3-Pack)280$9Compare
Caldera FN-9363 XT 140mm PWM ARGB Case Fan1,198$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3491 Plus 140mm PWM Case Fan”, https://vextor7.com/item/41497800 (accessed 2026-10-25).