Hardware Spec Index

Caldera FN-3686 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3686-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,034 (Case Fans scale)
Category rank#3,463
Street price$39
Power3 W
Performance per dollar26.51
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3686 Ultra
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3686 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2051925 (accessed 2026-10-19).