Hardware Spec Index

Caldera FN-3705 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3705-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#85
Street price$49
Power3 W
Performance per dollar28.57
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3705 Ultra
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 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-3705 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2398281 (accessed 2026-10-23).