Hardware Spec Index

Caldera FN-3708 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3708-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,233 (Case Fans scale)
Category rank#23,331
Street price$49
Power3 W
Performance per dollar25.16
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3708 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3708 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/17801016 (accessed 2026-10-21).