Hardware Spec Index

Zephyra FN-9581 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9581-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#17,315
Street price$49
Power3 W
Performance per dollar28.57
Released2022

Specifications

BrandZephyra
ModelZephyra FN-9581 Ultra
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise36 dBA
BearingMagnetic levitation
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
Caldera FN-1640 Pro 120mm PWM ARGB Case Fan939$29Compare
Zephyra FN-8756 SE 120mm PWM ARGB Case Fan782$29Compare
Zephyra FN-5186 Ti 120mm PWM ARGB Case Fan1,400$49Compare
Zephyra FN-6250 Edge 120mm PWM Case Fan517$19Compare
Corvane FN-7795 Ti 120mm PWM Case Fan701$19Compare
Corvane FN-1025 SE 120mm PWM ARGB Case Fan863$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-9581 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8282191 (accessed 2026-10-20).