Hardware Spec Index

Caldera FN-3840 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3840-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,033 (Case Fans scale)
Category rank#36,741
Street price$29
Power4 W
Performance per dollar35.62
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3840 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 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-3840 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7140445 (accessed 2026-10-22).