Hardware Spec Index

Caldera FN-3681 SE 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3681-SE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,307 (Case Fans scale)
Category rank#9,667
Street price$49
Power3 W
Performance per dollar26.67
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3681 SE
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 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-3681 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8093412 (accessed 2026-10-19).