Hardware Spec Index

Caldera FN-3581 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3581-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,346 (Case Fans scale)
Category rank#25,199
Street price$49
Power3 W
Performance per dollar27.47
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3581 XT
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 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-3581 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8514944 (accessed 2026-10-20).