Hardware Spec Index

Caldera FN-5781 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5781-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,016 (Case Fans scale)
Category rank#49,087
Street price$29
Power2 W
Performance per dollar35.03
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5781 Pro
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise22 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-5781 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/16624436 (accessed 2026-10-22).