Hardware Spec Index

Caldera FN-4581 XT 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4581-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,271 (Case Fans scale)
Category rank#16,931
Street price$49
Power4 W
Performance per dollar25.94
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4581 XT
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8348447 (accessed 2026-10-20).