Hardware Spec Index

Caldera FN-3688 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3688-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,230 (Case Fans scale)
Category rank#18,250
Street price$39
Power4 W
Performance per dollar31.54
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3688 Pro
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3688 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/58777327 (accessed 2026-10-20).