Hardware Spec Index

Caldera FN-3658 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3658-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index832 (Case Fans scale)
Category rank#28,284
Street price$29
Power4 W
Performance per dollar28.69
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3658 XT
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3658 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/14738487 (accessed 2026-10-23).