Hardware Spec Index

Zephyra FN-3581 Core 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3581-CORE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,007 (Case Fans scale)
Category rank#7,975
Street price$29
Power3 W
Performance per dollar34.72
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3581 Core
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-7902 Prime 140mm PWM Case Fan (3-Pack)571$19Compare
Teralux FN-1080 Core 120mm PWM ARGB Case Fan (3-Pack)839$29Compare
Caldera FN-3748 Edge 120mm PWM Case Fan487$19Compare
Zephyra FN-3255 Pro 120mm PWM Case Fan334$9Compare
Caldera FN-6836 Ti 120mm PWM Case Fan322$9Compare
Teralux FN-8282 SE 120mm PWM Case Fan404$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-3581 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16680835 (accessed 2026-10-20).