Hardware Spec Index

Caldera FN-4581 Max 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4581-MAX · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,138 (Case Fans scale)
Category rank#41,575
Street price$39
Power4 W
Performance per dollar29.18
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4581 Max
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 Max 140mm PWM ARGB Case Fan”, https://vextor7.com/item/909445 (accessed 2026-10-19).